Panudech Karnsakulthorn และ Tippawan Pinvanichkul. (2012) Comparative Study of Hybrid Electric Vehicle and Eco Car Diffusion in Thailand. King Mongkut's University of Technology Thonburi:ม.ป.ท.Panudech Karnsakulthorn และ Tippawan Pinvanichkul. 2012. Comparative Study of Hybrid Electric Vehicle and Eco Car Diffusion in Thailand. ม.ป.ท.:King Mongkut's University of Technology Thonburi;Panudech Karnsakulthorn และ Tippawan Pinvanichkul. Comparative Study of Hybrid Electric Vehicle and Eco Car Diffusion in Thailand. ม.ป.ท.:King Mongkut's University of Technology Thonburi, 2012. Print.