Ahmad, Abd Rahman bin, Nek Kamal Yeop Yunus, Norlia Mat Norwani, and Kamaruddin Musa. 2012. “Organization Commitment of Public Primary School Senior Head Teachers”. International Journal of Economics, Business and Management Studies 1 (1):9-14. https://onlinesciencepublishing.com/index.php/ijebms/article/view/275.