„Prevalence, Correction Coverage, Unmet Need and Impact on the Quality of Life of Presbyopia among Market Traders in Ibadan, Nigeria“ (2020) African Journal of Biomedical Research, 23(Special Edition 1), str. 75–79. Dostupno na: https://ojshostng.com/index.php/ajbr/article/view/367 (Pristupljeno: 25 travanj 2026).