Ammar UR. The Risk Effect of Primary Dysmenorrhea on Women of Childbearing Age in Ploso Subdistrict of Tambaksari Surabaya. JBE [Internet]. 2016 Nov. 11 [cited 2024 Aug. 3];4(1):37-49. Available from: https://e-journal.unair.ac.id/JBE/article/view/2118