Yonas, A. and M, S. (2020) “The Factors Impede Teachers’ Effective Use of Audio Visual Materials to Teach English Speaking Skills: ABBA PASCAL Girls’ School in Focus, Wolaita Zone, Southern Ethiopia”, Randwick International of Education and Linguistics Science Journal, 1(3), pp. 439-448. doi: 10.47175/rielsj.v1i3.157.