„Hearing Assessment of Primary School Pupils in Ibadan North Local Government Area of Oyo State, Nigeria “, AJBR, sv. 23, izd. Special Edition 1, str. 71–74, srp. 2020, Pristupljeno: 06. lipanj 2026. [Na internetu]. Dostupno na: https://ojshostng.com/index.php/ajbr/article/view/366