Hadyao , T. . and Chaowachai, S. . (2021) “NEEDS ASSESSMENT AND DEVELOPMENT OF CREATIVE LEADERSHIP OF PRINCIPAL OF SCHOOL IN PHETCHABUN PRIMARY EDUCATIONAL SERVICE AREA OFFICE”, Journal of MCU Nakhondhat. Nakhon Si Thammarat, Thailand, 8(7), pp. 268–281. Available at: https://so03.tci-thaijo.org/index.php/JMND/article/view/253526 (Accessed: 25 September 2022).