Van der Putten และผู้แต่งคนอื่นๆ. (2002) Assessing the relevance of postgraduate public health education to public health practice : a case study in Thailand. Chulalongkorn University:ม.ป.ท.Van der Putten และผู้แต่งคนอื่นๆ. 2002. Assessing the relevance of postgraduate public health education to public health practice : a case study in Thailand. ม.ป.ท.:Chulalongkorn University;Van der Putten และผู้แต่งคนอื่นๆ. Assessing the relevance of postgraduate public health education to public health practice : a case study in Thailand. ม.ป.ท.:Chulalongkorn University, 2002. Print.