Kraiwuth Kallawicha. (2007) Survey of Cannabis sativa L. fiber type cultivated in Thailand. Mahidol University,:ม.ป.ท.Kraiwuth Kallawicha. 2007. Survey of Cannabis sativa L. fiber type cultivated in Thailand. ม.ป.ท.:Mahidol University,;Kraiwuth Kallawicha. Survey of Cannabis sativa L. fiber type cultivated in Thailand. ม.ป.ท.:Mahidol University, 2007. Print.