„Prevalence, Correction Coverage, Unmet Need and Impact on the Quality of Life of Presbyopia among Market Traders in Ibadan, Nigeria“, AJBR, let. 23, št. Special Edition 1, str. 75–79, jul. 2020, Pridobljeno: 4. april 2026. [Na spletu]. Dostopno na: https://ojshostng.com/index.php/ajbr/article/view/367