Langoi, S., and E. Deogratias. “INVESTIGATION ON TEACHERS COMPETENCY ON USING ICT FOR TEACHING AND LEARNING MATHEMATICS AND SCIENCE SUBJECTS IN TANZANIAN SECONDARY SCHOOLS”. International Online Journal of Education and Teaching, vol. 11, no. 3, July 2024, pp. 619-32, https://www.iojet.org/index.php/IOJET/article/view/2055.