Hossein Yahaghi1, Shahryar Sorooshian2, Javad Yahaghi3. 1. Faculty of Humanities, Sari Branch, Islamic Azad University, Sari, Mazandaran, Iran. 2. Faculty of Industrial Management, Universiti Malaysia Pahang, Gambang Kuantan, Malaysia. sorooshian@gmail.com. 3. Department of Civil Engineering, Faculty of Engineering, University Tenaga Nasional, Selangor, Malaysia.