Kassa, Zemenu. “Women’s Knowledge of Preconception Care: a Systematic Review and Meta-Analysis: Preconception Care: A Systematic Review and Meta-Analysis”. Ethiopian Journal of Reproductive Health 13, no. 2 (April 30, 2021): 8. Accessed February 7, 2025. https://mail.ejrh.org/index.php/ejrh/article/view/469.