Eddy Siswanto, and Junardi Harahap. “LITERATURE REVIEW OF PERCEPTION, MATERNAL, PREGNANCY, AND LABOR IN 2015-2021 ”. International Journal of Social Science 1, no. 3 (October 2, 2021): 159–170. Accessed March 8, 2026. https://mail.bajangjournal.com/index.php/IJSS/article/view/408.