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Pohan RA, Meni Fuzi Astuty Tanjung, Erlina Esther Rotua Siringoringo. The Relationship between Knowledge and Stress Levels Facing Premenstrual Syndrome in Class X Female Students at SMK Swasta Alwasliyah 17. Int Jou of PHE [Internet]. 2024 Jan. 2 [cited 2024 May 21];3(1):326-9. Available from: https://ejournal.ipinternasional.com/index.php/ijphe/article/view/668