Chaiyaporn Hirunviwatkul และ Duangpun Singkarin. (2011) Decision support system for rubber value creation in Thailand. Mahidol University:ม.ป.ท.Chaiyaporn Hirunviwatkul และ Duangpun Singkarin. 2011. Decision support system for rubber value creation in Thailand. ม.ป.ท.:Mahidol University;Chaiyaporn Hirunviwatkul และ Duangpun Singkarin. Decision support system for rubber value creation in Thailand. ม.ป.ท.:Mahidol University, 2011. Print.