Batubara, Frisca Ronauli, Zefanya Yosiana Kayoi, Fajar Lamhot Gultom, and Marliana Nurprilinda. “Strength Training and Pulmonary Function Among Students at Universitas Kristen Indonesia”. International Journal of Natural and Health Sciences 4, no. 4 (October 15, 2026): 441–450. Accessed October 22, 2026. https://journalijnhs.my.id/index.php/ijnhs/article/view/7.