Sulaiman, N., Yussof, I., Long Ahmad, M. S., & Ismail, R. (2019). IMPACT OF LABOUR PRODUCTIVITY OF THE NATIONAL KEY ECONOMIC AREAS (NKEAs). Journal of Contemporary Issues and Thought, 4, 137–155. Retrieved from https://ojs.upsi.edu.my/index.php/JCIT/article/view/1017