„Hearing Assessment of Primary School Pupils in Ibadan North Local Government Area of Oyo State, Nigeria “, AJBR, том 23, изд. Special Edition 1, стр. 71–74, Јули 2020, приступљено: 25. Април 2026. [на Интернету]. Available at: https://ojshostng.com/index.php/ajbr/article/view/366