「POLICY IMPLEMENTATION AND GOVERNANCE CHALLENGES IN OPEN AND DISTANCE LEARNING: A CASE STUDY OF KWAME NKRUMAH UNIVERSITY, ZAMBIA」 (2026) Kwame Nkrumah University Multi-Disciplinary Journal - Zambia, 3(1), pp. 45–55. 入手先: https://accessjournal.nkrumah.edu.zm/index.php/knuj/article/view/102 (参照: 3 11月 2026).