The Effect of Dark Chocolate on Primary Dymenoreries In Students at An Nur Ngrukem Islamic Boarding School, Bantul, Yogyakarta: Pengaruh Dark Chocolate Terhadap Dismenore Primer Pada Santri Putri Pondok Pesantren An Nur Ngrukem Bantul Yogyakarta. JKMD [Internet]. 2023 Oct. 18 [cited 2024 Nov. 17];2(3):173-9. Available from: https://jurnal.ruangide.org/JKMD/article/view/105