Jaroenruay, Nichapa, Wiyawoot Boonloy, and Theerangkoon Warabamrungkul. 2023. “THE ADMINISTRATION OF SCHOOL ENVIROMENTTALS AFFECTING THE 21st CENTURY LEARNING SKILLS OF STUDENTS IN SCHOOLS UNDER THE SECONDARY EDUCATIONAL SERVICE AREA OFFICE CHONBURI RAYONG”. Journal of MCU Nakhondhat 10 (5). Nakhon Si Thammarat, Thailand:74-84. https://so03.tci-thaijo.org/index.php/JMND/article/view/269171.