Eka Sihombing, Yeci Theresia Simanjuntak. Factors Related to Use KB Participants are Active in Understanding Contraceptive Devices (IUD) UPT Working Area DPPKB Bandar District, Simalungun Regency. Int Jou of PHE [Internet]. 2023 Mar. 30 [cited 2024 Nov. 24];2(2):437-40. Available from: https://ejournal.ipinternasional.com/index.php/ijphe/article/view/348