Tas’au, Tarsisius, Lewi Jutomo, Sarci Toy, and Rut Riwu. 2021. “The Correlation Between Body Mass Index, Physical Activity, and The Degree of Premenstrual Syndrome”. Lontar : Journal of Community Health 3 (2), 89-95. https://doi.org/10.35508/ljch.v3i2.4156.