รัตนรังสฤษฏ ต. and แช่มช้อย ส. 2019. THE NEED ASSESSMENT OF INNOVATIVE LEADERSHIP DEVELOPMENT OF THE ADMINISTRATORS OF AFFILIATED SCHOOLS OF TRIAM UDOM SUKSA PATTANAKARN. Academic Journal Phranakhon Rajabhat University. 10, 2 (Jul. 2019), 224–237.