Phensiri Pansiri. (2006) Awareness of the Kasetsart University sanitation workers at Bangkhen Campus towards solid waste separation management /. Kasetsart University,:ม.ป.ท.Phensiri Pansiri. 2006. Awareness of the Kasetsart University sanitation workers at Bangkhen Campus towards solid waste separation management /. ม.ป.ท.:Kasetsart University,;Phensiri Pansiri. Awareness of the Kasetsart University sanitation workers at Bangkhen Campus towards solid waste separation management /. ม.ป.ท.:Kasetsart University, 2006. Print.