เกื้ออรุณ พ. . . and เจริญกุล น. . ., “THE NEED ASSESSMENT OF SUCCESSION PLANNING DEVELOPMENT FOR MIDDLE – LEVEL ADMINISTRATORS IN SECONDARY SCHOOL UNDER THE JURISDICTION OF THE OFFICE OF THE BASIC EDUCATION COMMISSION, BANGKOK”, AJPU, vol. 11, no. 1, pp. 203–216, Aug. 2019.