Pangaribuan, Ingka, Khairani Lubis, Safrina Yanti, and Lisa Sibarani. “Pregnancy Exercises on Reducing Lower Back Pain In Pregnant Women Trimester II and III”. Journal of Maternal and Child Health Sciences (JMCHS) 3, no. 2 (December 31, 2023): 95-100. Accessed November 24, 2024. https://jurnal.poltekkespalembang.ac.id/index.php/JMCHS/article/view/2041.