Wail, Nik Azma, Rahmah Ismail, and Ishak Yussof. “Analisis Penentu Perbezaan Upah Mengikut Kemahiran Di Malaysia”. Sains Humanika 56, no. 1 (August 15, 2011). Accessed February 10, 2026. https://sainshumanika.utm.my/index.php/sainshumanika/article/view/223.