“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”. 2023. Jurnal Kesehatan Masa Depan 2 (3): 173-93. https://jurnal.ruangide.org/JKMD/article/view/105.