Title: Phonkrathop khō̜ng rōngngān ʻutsāhakam læ lǣng kasēttrakam thī mī tō̜ khunnaphāp nam nai Lamnam Phō̜ng (Mi. Yō̜. 2529-Phō̜. Khō̜. 2530)
Subjects: Water quality, Case studies
Places: Thailand