Mansoben, N., Gurning, M., & Sikowai, I. H. (2021). The Effect of Abdominal Stretching Exercise on Decreasing Dysmenorrhea in Adolescent Girls. Jurnal Ilmiah Kesehatan (JIKA), 3(3), 201–209. https://doi.org/10.36590/jika.v3i3.201