Charernporn, Kanyaporn, Supawit Ditjareoan, Poponsan Photipithak, Tinnakorn Chaumphong, and Kantima Phueaktai. “Guidelines for the use of learning resources for learning in educational institutions under the Office of the Primary Educational Service Area 1, Nakhon Sawan”. Journal of the Association of Researchers 30, no. 3 (September 26, 2025): 34–51. accessed October 14, 2026. https://so04.tci-thaijo.org/index.php/jar/article/view/276687.