Monica, Ricca, Irfanuddin, and Nursiah Nasution. “Pengaruh Latihan Fisik Intensitas Ringan Dan Sedang Terhadap Perubahan Kadar Hormon Beta–Endorphin Mencit (Mus Musculus L.) Hamil”. Biomedical Journal of Indonesia 3, no. 2 (May 2, 2017): 91–97. Accessed December 23, 2024. https://bji-fk.ejournal.unsri.ac.id/index.php/bji/article/view/11.