Effectiveness of Health Education Using E-Booklet Media in Increasing Contraceptive Knowledge in Fertile Age Couples. HEALTH CARE: JURNAL KESEHATAN, [S. l.], v. 14, n. 1, p. 67–73, 2025. DOI: 10.36763/healthcare.v14i1.614. Disponível em: https://www.jurnal.payungnegeri.ac.id/index.php/healthcare/article/view/614. Acesso em: 13 jan. 2026.