Suebsaithongkum, Pimpawan, Phatsayakron Laosawatdikul, and Sunchai Chucheep. 2024. “A Study of Implementation Needs of Environmental Education Standards School for Sustainable Development of Schools under Lopburi Primary Educational Service Area Office 2”. Lawarath Social E-Journal 6 (1):45-60. https://so04.tci-thaijo.org/index.php/lawarathjo/article/view/267373.