Khanitchaidecha W, Pitakwinai P, Ratananikom K, Nakaruk A. Statistical Analysis of Water Quality Parameters in Downstream of Nan River, Thailand. NUEJ [Internet]. 2019 Dec. 23 [cited 2024 May 7];14(2):14-23. Available from: https://ph01.tci-thaijo.org/index.php/nuej/article/view/187065