JUNKUNAPAT, R., ธรรมสิทธิ์ พ. and สีชมภู ช. (2024) “Guidelines for Schools Administration toward Quality Schools of the Secondary Schools in Uttaradit Province”, MCU Haripunchai Review, 8(3), pp. 461–474. available at: https://so04.tci-thaijo.org/index.php/JMHR/article/view/b-033 (accessed: 24 September 2026).