Iin Purnamasari, Sulistiyah Sulistiyah. The Relationship Between The Use of 3-Monthly Injection Contraception and The Incidence of Amenorhea. JHTPH [Internet]. 2026 Jan. 31 [cited 2026 Mar. 30];3(1):01-10. Available from: https://ejournal.stikessemarang.ac.id/index.php/JHTPH/article/view/49