Phahol Sakkatat และผู้แต่งคนอื่นๆ. (2003) Role of Tambon Administrative Organizations, community organizations and individuals in natural resources and environmental conservation. National Institute of Development Administration:ม.ป.ท.Phahol Sakkatat และผู้แต่งคนอื่นๆ. 2003. Role of Tambon Administrative Organizations, community organizations and individuals in natural resources and environmental conservation. ม.ป.ท.:National Institute of Development Administration;Phahol Sakkatat และผู้แต่งคนอื่นๆ. Role of Tambon Administrative Organizations, community organizations and individuals in natural resources and environmental conservation. ม.ป.ท.:National Institute of Development Administration, 2003. Print.