ºÓ¤h¾Ç¦ì½Òµ{ ¬ü°êIowa·R²üµØ¤j¾Ç ¤u°ÓºÞ²zºÓ¤h¾Ç¦ì½Òµ{ ³Õ¤h¾Ç¦ì½Òµ{ Graduate School of Business, Universiti Sains Malaysia Doctor of Philosophy