Wardani, S, and E Fitria. 2019. “The Factors Correlating to the Usage of Long-Term Contraception Method (MKJP) Especially IUD in the Domain of Society Health Center Simpang Baru Pekanbaru City”. KnE Life Sciences 4 (10), 27–37. https://doi.org/10.18502/kls.v4i10.3826.