Pongsak Luadee. 2002. Biodiversity of some aquatic insects from Chiang Dao watershed, Chiang Mai province for environmental bioassessment. Field of Study Biology, Chiang Mai University;
Pongsak Luadee. (2002) Biodiversity of some aquatic insects from Chiang Dao watershed, Chiang Mai province for environmental bioassessment . Chiang Mai University/Chiang Mai.
Pongsak Luadee. Biodiversity of some aquatic insects from Chiang Dao watershed, Chiang Mai province for environmental bioassessment. . Chiang Mai:Chiang Mai University, 2002.
Pongsak Luadee. (2002) Biodiversity of some aquatic insects from Chiang Dao watershed, Chiang Mai province for environmental bioassessment . Chiang Mai University/Chiang Mai.