Bachok, Syahriah, and Zakiah Ponrahono. “MODELLING WILLINGNESS TO PAY FOR IMPROVED PUBLIC TRANSPORT SERVICES: THE CHALLENGES OF NON-RESPONSE TO STATED PREFERENCE HYPOTHETICAL QUESTIONS”. PLANNING MALAYSIA 15, no. 1 (May 12, 2017). Accessed November 5, 2024. https://mail.planningmalaysia.org/index.php/pmj/article/view/250.