Kannapon Phakdeesettakun. (2007) Study on management system of communal enterprise : a case study of Ubonratchathani province, Thailand. Mahidol University,:ม.ป.ท.Kannapon Phakdeesettakun. 2007. Study on management system of communal enterprise : a case study of Ubonratchathani province, Thailand. ม.ป.ท.:Mahidol University,;Kannapon Phakdeesettakun. Study on management system of communal enterprise : a case study of Ubonratchathani province, Thailand. ม.ป.ท.:Mahidol University, 2007. Print.