Arikpo Sampson Venatius , Aede Hatib Musta’amal , Ogumbe Boniface Ekwok , Alhaji Modu Mustapha (2020) “Interaction of System Approach Model and Lesson Duration, Teachers’ Qualification on Students’ Competence in Technical Skills”, International Journal of Advanced Science and Technology, 29(10s), pp. 532 - 541. Available at: http://sersc.org/journals/index.php/IJAST/article/view/14463 (Accessed: 17July2024).