[1]
Edris Kamtor Al hassan , E. 2019. The effectiveness of proposed computerized electronic program according to the method of mastery learning on academic achievement in the subject of educational technique principles at the basic education stage- Sudan. Journal of College of Education. 1, 37 (Dec. 2019), 36. DOI:https://doi.org/10.31185/eduj.Vol1.Iss37.1065.