Tumba, Ishaya, and Mohammed Usman Michika. “ASSESSING TECHNICAL TEACHERS’ PROFESSIONAL DEVELOPMENT IN INFORMATION AND COMMUNICATION TECHNOLOGY FOR TEACHING IN POLYTECHNICS IN THE NORTH EASTERN STATES OF NIGERIA”. European Scientific Journal, ESJ 10, no. 25 (September 29, 2014). Accessed March 29, 2024. https://eujournal.org/index.php/esj/article/view/4280.