Rila Dwita Puspita Rani Setiawan, Sri Mulyani, Titik Nuryanti, Rahmawati. The Effect Of Stretching Exercises On Reducing Back Pain Complaints Caused By Backpack Use Among Junior High School Students Based On Calista Roy’s Adaptation Theory. IJHET [Internet]. 2026 Oct. 16 [cited 2026 Oct. 17];5(4). Available from: https://afdifaljournal.com/journal/index.php/ijhet/article/view/1144