Alexander Harrow Kaufman และ Suriyapong Watanasak. (2012) Drivers and outcomes of a shift to sustainable food systems : A study of organec farmers' Communities in Yasothon province, Thailand. Mahido University:ม.ป.ท.Alexander Harrow Kaufman และ Suriyapong Watanasak. 2012. Drivers and outcomes of a shift to sustainable food systems : A study of organec farmers' Communities in Yasothon province, Thailand. ม.ป.ท.:Mahido University;Alexander Harrow Kaufman และ Suriyapong Watanasak. Drivers and outcomes of a shift to sustainable food systems : A study of organec farmers' Communities in Yasothon province, Thailand. ม.ป.ท.:Mahido University, 2012. Print.