THE EFFECTIVENESS OF ABDOMINAL STRETCHING EXERCISE ON THE DEGREE OF PRIMARY DYSMENORRHEA IN STUDENTS OF THE PHYSIOTHERAPY STUDY PROGRAM AT BALI INTERNATIONAL UNIVERSITY. JKF [Internet]. 2025 Oct. 31 [cited 2025 Nov. 6];8(1):100-6. Available from: https://ejournal.medistra.ac.id/index.php/JKF/article/view/2926