Monica R, Irfanuddin, Nasution N. Pengaruh Latihan Fisik Intensitas Ringan Dan Sedang Terhadap Perubahan Kadar Hormon Beta–Endorphin Mencit (Mus Musculus L.) Hamil. BJi [Internet]. 2017 May 2 [cited 2024 Dec. 23];3(2):91-7. Available from: https://bji-fk.ejournal.unsri.ac.id/index.php/bji/article/view/11