Prastiwi, S., N. Y. Hidajaturrokhmah, and S. Anggraeni. “The Effectiveness of Abdominal Stretching Exercises and Dysmenorrhea Gymnastics Against Dysmenorrhea Pain Intensity in Adolescent Girls: Literature Review”. Open Access Health Scientific Journal, vol. 2, no. 2, Aug. 2021, pp. 34-41, doi:10.55700/oahsj.v2i2.17.