SRIMANTA R, THIENGKAMOL N, SATAYAVONGTHIP B. MODEL DEVELOPMENT OF TRI SIKKHA FOR ENVIRONMENTAL CONSERVATION. Res Comm Soc Dev J [internet]. 2020 Oct. 1 [cited 2026 Sep. 28];14(4):172-86. available from: https://so04.tci-thaijo.org/index.php/NRRU/article/view/241563