Jaafar, Mastura, Abdul Rashid Abdul Aziz, and Andy Lian Shin Wai. “Marketing Practices of Professional Engineering Consulting Firms: Implement or Not to Implement?”. Journal of Civil Engineering and Management 14, no. 3 (September 30, 2008): 199-206. Accessed October 5, 2024. https://ijspm.vgtu.lt/index.php/JCEM/article/view/6869.