Lake, Maria, Masrida Sinaga, and Dominirsep Dodo. “Study of Basic Immunization Program With a System Approach at the Batakte Health Center, Kupang Regency”. Timorese Journal of Public Health 4, no. 4 (June 15, 2023): 159-171. Accessed July 3, 2024. https://ejurnal.undana.ac.id/index.php/TJPH/article/view/7235.