Prasetyaningsih, and Setia Nisa. “The Effect of Providing Contraceptive Education on the Knowledge Level of Reproductive Age Couples in the Working Area of Pariaman Public Health Center”. International Journal of Public Health Excellence (IJPHE), vol. 2, no. 1, Dec. 2022, pp. 225-8, doi:10.55299/ijphe.v2i1.177.