Publication ethics adapted by COMMON refers to The Committee on Publication Ethics (COPE) and Head of LIPI Regulation Number 5 of 2014 concerning the Code of Ethics for Scientific Publications.

Ethical Guidelines for Journal Publication

The publication of an article in a reviewed Jurnal Diferensial is an important building block in the development of a coherent and recognized knowledge network. It is a direct reflection of the quality of the work of the authors and the institutions that support them. Reviewed articles support and embody the scientific method. Therefore, it is important to agree on standards of ethical behavior expected of all parties involved in publishing: authors, journal editors, peer-reviewed partners, publishers and the public.

Universitas Nusa Cendana as the publisher of Jurnal Diferensial takes the task of maintaining all stages of publishing very seriously and we are aware of our ethics and other responsibilities. We are committed to ensuring that advertising, reprint or other commercial revenue does not impact or influence editorial decisions.

Publication Decision
The editor of Jurnal Diferensial  is responsible for deciding which submitted articles should be published. The validation of the work and its importance to researchers and readers should always drive this decision. Editors may be guided by the policies of the journal's editorial board and constrained by applicable legal provisions, such as defamation, copyright infringement and plagiarism. Editors may confer with other editors or peer partners in making these decisions.
Aspects of Justice
Editors at all times evaluate the text for the author's intellectual content regardless of the authors' race, gender, sexual orientation, religious beliefs, ethnicity, nationality or political views.
Editors and any editorial staff must not disclose any information about submitted manuscripts to anyone other than authors, reviewers, potential reviewers, other appropriate editors and publishers, as appropriate.

Disclosure and Conflicts of Interest
Material not published in a submitted manuscript may not be used in the editor's own research without the written consent of the author.

Duties of a reviewer
Contribution to Editorial Decisions
Bestari partners assist editors in making editorial decisions and can assist writers in improving the quality of manuscripts through editors.
Any selected reviewer who feels he or she does not meet the requirements / interest to review the manuscript or does not have enough time to review must immediately notify the editor and withdraw from the review process.

Any manuscripts received for review must be treated as confidential documents. Manuscripts must not be shared or discussed with others unless authorized by the editor.

Standard of Objectivity

Reviews must be conducted objectively. Personal criticism from the author is not appropriate. Reviewers must state their views clearly with supporting arguments.

Source recognition
Reviewers should identify relevant published works that have not been cited by the authors. Statements that previously reported observations, derivations, or arguments must be accompanied by relevant citations. Reviewers should also state to the editor any substantial similarities or overlaps between the manuscripts under consideration and any other articles published.

Disclosure and Conflicts of Interest
Information or ideas obtained in the review process must be kept confidential and not used for personal gain. Reviewers should reject manuscripts in which they have a conflict of interest as a result of competition, collaboration, or other relationships or connections with any of the authors, companies, or institutions associated with the manuscript.

Author's Duty

Reporting Standards
The author of the original research report must present an accurate report of the work performed as well as an objective discussion of the significance of the research. The underlying data must be accurately included in the manuscript. A manuscript must contain sufficient detail and references to allow others to imitate the work. Reports of fraud or intentionally providing inaccurate information are unethical and unacceptable behavior.

Data Access and Retention
Authors are required to provide raw data related to the manuscript for editorial, and should be prepared to provide public access to such data (consistent with ALPSP-STM Data and Database Statements), if possible, and should in any case save such data after publication.

Originality and Plagiarism
Authors must ensure that they have written completely original work, and if the author has used the work and / or words of others this has been appropriately cited.
Multiple, Redundant and Concurrent Publications
An author may not publish manuscripts describing the essence of the same research in more than one journal or major publication. Submitting the same manuscript for more than one journal at the same time is an unethical and unacceptable publishing behavior.

Source recognition
Proper recognition of the work of others must always be given. Authors must cite publications that have been influential in determining the work they report on.

List of Manuscript Authors
Authors should be limited to those who have made a significant contribution to the conception, design, implementation or interpretation of the reported research. Everyone who has made a significant contribution must be registered as a co-author. Other people or parties who have participated in certain substantive aspects of the research project, they must be recognized or registered as contributors. The correspondence author must ensure that all suitable authors are listed in the manuscript and that there are no non-conformists, and that all authors have viewed and approved the final version of the paper and have agreed to submission for publication.

Hazards and Human or Animal Subjects
If the work involves chemicals, procedures or equipment that have an unusual hazard inherent in their use, the author must clearly identify these in the text.

Disclosure and Conflicts of Interest
All authors must disclose in their text any substantive or financial conflicts of interest that may be interpreted to affect the results or interpretation of their manuscripts. All sources of financial support for the project should be disclosed.
Fundamental Errors in Published Works
When an author discovers significant errors or inaccuracies in his published work, it is the author's obligation to immediately notify the journal editor or publisher and work closely with the editor to retract or correct the manuscript.
Screening for Plagiarism

The author must ensure that they have written the original work, and if the author has used the work and/or words of others, they must quote it correctly in accordance with the applicable rules. An Author may not publish a text that describes the same foundation of research in more than one journal or major publication. Submitting  the same manuscript to a more than one journal at the same time  is unethical and unacceptable. The editor will run a plagiarism check using Turnitin for the submitted articles. If an article has a similarity  over 20% for  Turnitin, the paper needs to be revised by the author(s).