1.
La-armat W, Nanthasri W, Somsrisuk A. NEEDS ASSESSMENT OF ENVIRONMENTAL MANAGEMENT IN SCHOOLS UNDER SAKON NAKHON PRIMARY EDUCATIONAL SERVICE AREA OFFICE 3. SN Grad J. [internet]. 2026 Sep. 28 [cited 2026 Oct. 10];23(102):443-57. available from: https://so02.tci-thaijo.org/index.php/SNGSJ/article/view/277906