Choirudin, C., Anwar, M. and Khabibah, N. 2021. Pengembangan Lembar Kerja Peserta Didik (LKPD) Berbasis Problem Solving. FRAKTAL: JURNAL MATEMATIKA DAN PENDIDIKAN MATEMATIKA. 2, 1 (Apr. 2021), 1-13. DOI:https://doi.org/10.35508/fractal.v2i1.3590.