Application of Aquatic Insects (Ephemeroptera, Plecoptera And Trichoptera) In Water Quality Assessment of Malaysian Headwater . tlsr [Internet]. 2017 Jul. 31 [cited 2024 Dec. 23];28(2):143–162. Available from: https://ejournal.usm.my/tlsr/article/view/tlsr_vol28-no-2-2017_11