J. M. Patrick, M. Sui, B. Didam, și N. Y. Ojo, „An insight into Factors Militating against Nigerian Students? attainment in English Language Senior Secondary School Certificate Examination”, rcis, vol. 45, pp. 107–120, iun. 2014, Data accesării: nov. 07, 2026. Disponibil la: https://www.rcis.ro/journal/article/view/1615-an-insight-into-factors-militating-against-nigerian