Yuliani, Anita, Rahmat Rahmat, Rosa Hasti Ayu Oktavia, & Diana Papila. " Correlation of Nutritional Status and Sleep Quality With Incidence Primary Dysmenorrhoea in Obstetric Students." Jurnal Kesehatan Manarang [Online], 9.2 (2023): 121 - 129. Web. 7 Oct. 2024