Kwanreun Watana และผู้แต่งคนอื่นๆ. (1999) Participatory action research (PAR) : an intervention in diarrhea education program to sustain required behaviors for acute diarrhea prevention and self-care among U-tapao villagers, Muang District, Chonburi. Chulalongkorn University:ม.ป.ท.Kwanreun Watana และผู้แต่งคนอื่นๆ. 1999. Participatory action research (PAR) : an intervention in diarrhea education program to sustain required behaviors for acute diarrhea prevention and self-care among U-tapao villagers, Muang District, Chonburi. ม.ป.ท.:Chulalongkorn University;Kwanreun Watana และผู้แต่งคนอื่นๆ. Participatory action research (PAR) : an intervention in diarrhea education program to sustain required behaviors for acute diarrhea prevention and self-care among U-tapao villagers, Muang District, Chonburi. ม.ป.ท.:Chulalongkorn University, 1999. Print.