Wari, Sindi Laras, Masryna Siagian, and Herbert Wau. 2024. “Influence of Nutritional Status, Physical Activity and Stress Level on Menstrual Cycle”. Jurnal Ilmu Kesehatan Masyarakat 15 (2):195-208. https://doi.org/10.26553/jikm.2024.15.2.195-208.