Relationship of Knowledge Stress, Consumption Patterns and Sport Patterns of PMS (Premenstrual Syndrome) in Adolescent Girls of SMP IT Yayasan Hj. Fauziah Binjai in 2019. (2021). JPK : Jurnal Proteksi Kesehatan, 14(2). https://jurnal.polkesri.ac.id/index.php/JPK/article/view/294