Rosida SD, Sa’adi A, Sa’adi A, Purwanto B, Purwanto B. Relationships between Body Mass Index, Psychological Stress, Physical Activity, and Oligomenorrhea in Adolescents at Yasinat Islamic Boarding School, Surabaya. J Matern Child Health [Internet]. 2022 Nov. 16 [cited 2024 Apr. 30];7(6):742-9. Available from: https://thejmch.com/index.php/thejmch/article/view/865