Sulistiana, Mega Puspita, Dewi Marfuah, Astri Mutiar, and Nunung Nurhayati. “The Effect of Oxytocin and Endorphin Massage to Uterine Involution in Post-Partum Mothers: A Literature Review”. KnE Life Sciences 6, no. 1 (March 15, 2021): 680-688. Accessed April 19, 2024. https://knepublishing.com/index.php/KnE-Life/article/view/8742.