„Hearing Assessment of Primary School Pupils in Ibadan North Local Government Area of Oyo State, Nigeria ", AJBR, roč. 23, č. Special Edition 1, s. 71–74, čvc. 2020, Viděno: 5. duben 2026. [Online]. Dostupné z: https://ojshostng.com/index.php/ajbr/article/view/366