Wahyuni F. Factors Influencing Young Women’s Self Concept In Facing Primary Dysmenorrhoea At Smp Negeri 8 Medan. JKF [Internet]. 2022 Oct. 31 [cited 2024 Apr. 23];5(1):75-9. Available from: https://ejournal.medistra.ac.id/index.php/JKF/article/view/1273