Kerdkaew, Pannapat, and Pornthep Rupan. “Digital Leadership of School Administrators Affecting Budget Management under the Sing Buri Primary Educational Service Area Office”. Mahachula Academic Journal 13, no. 1 (April 28, 2026): 478–494. accessed September 19, 2026. https://so04.tci-thaijo.org/index.php/JMA/article/view/288691.