Samosir, Kholilah, and Eustasia Eustasia. Jurnal Kesehatan Terpadu (Integrated Health Journal) 10, no. 2 (December 31, 2019): 36-43. Accessed August 1, 2021. https://www.jurnalpoltekkesmaluku.com/index.php/JKT/article/view/43.