B. R. . Haque, Y. R. . Kinasih, and S. . Anggarini, “Changes in Menstrual Pain Following Dysmenorrhea Exercise among Early-Adolescent Female Students at Two Elementary Schools: A One Group Pretest–Posttest Study”, J. Health Nutr. Res, vol. 5, no. 2, pp. 928–940, Aug. 2026.