metheevarachatra, anond, Narakorn Klinhom, and Phramaha Udorn Uttaro. “Guidelines for Library Management in the 21st Century According to Sappaya 7 of Secondary Schools in Saraburi Province: -”. Mahachula Academic Journal 11, no. 3 (December 4, 2024): 300–318. accessed April 16, 2025. https://so04.tci-thaijo.org/index.php/JMA/article/view/271795.