„Perceived barriers influencing uptake of contraceptives among female undergraduates in University of Benin, Edo State“ (2022) African Journal of Biomedical Research, 25(1), str. 19–25. Dostupno na: https://www.ojshostng.com/index.php/ajbr/article/view/257 (Pristupljeno: 21 svibanj 2026).