งามเจริญมงคลจ., สร้อยน้ำส. and พงศ์ศรีวัฒน์ส. (2019) “AN APPLICATION OF Q METHODOLOGY IN DEVELOPING A 4.0 LEADERSHIP MODEL FOR SCHOOL ADMINISTRATORS”, Journal of MCU Nakhondhat, 6(7), pp. 3314-3336. Available at: https://so03.tci-thaijo.org/index.php/JMND/article/view/208012 (Accessed: 21October2020).