«Hearing Assessment of Primary School Pupils in Ibadan North Local Government Area of Oyo State, Nigeria », AJBR, vol. 23, fasc. Special Edition 1, pp. 71–74, lug. 2020, Consultato: 25 aprile 2026. [Online]. Disponibile su: https://ojshostng.com/index.php/ajbr/article/view/366