Nwosu, K. C., W. Wahl, H. Cassim, E. N. Okwuduba, and G. U. Nnaemeka. “Teaching Children With Special Needs in Nigerian Regular Classes: Impact of Gender, Marital Status, Experience, and Specialty”. International Journal of Learning, Teaching and Educational Research, vol. 19, no. 12, Dec. 2020, pp. 86-105, http://ijlter.net/index.php/ijlter/article/view/190.