Ayuwat Thanasate-angkool และผู้แต่งคนอื่นๆ. (2006) Evaluation for solid wastes disposal site using geographic information system in Phu Wiang district cluster Khon Kaen province. Chulalongkorn University:ม.ป.ท.Ayuwat Thanasate-angkool และผู้แต่งคนอื่นๆ. 2006. Evaluation for solid wastes disposal site using geographic information system in Phu Wiang district cluster Khon Kaen province. ม.ป.ท.:Chulalongkorn University;Ayuwat Thanasate-angkool และผู้แต่งคนอื่นๆ. Evaluation for solid wastes disposal site using geographic information system in Phu Wiang district cluster Khon Kaen province. ม.ป.ท.:Chulalongkorn University, 2006. Print.