H. A. Nassor, A. Ephrem, and W. . Mbaula, “Teacher’s pedagogical competencies on the utilisation of instructional materials for teaching history subject in public secondary schools in Zanzibar: A case of the Pemba North Region”, Educ. Dimens., vol. 14, pp. 51–71, Mar. 2025, doi: 10.55056/ed.800.