Wari, S. L., M. Siagian, and H. Wau. “Influence of Nutritional Status, Physical Activity and Stress Level on Menstrual Cycle”. Jurnal Ilmu Kesehatan Masyarakat, vol. 15, no. 2, July 2024, pp. 195-08, doi:10.26553/jikm.2024.15.2.195-208.