บุญประเสริฐ อ., คำชาย พ., and มั่งคั่ง พ., “STUDENT’S SKILL DEVELOPMENT IN 21TH CENTURY BY PARTICIPATORY ACTION RESEARCH: A CASE STUDY IN THE SMALL SIZED SCHOOLS UNDER THE OFFICE OF PRIMARY EDUCATIONAL SERVICE AREA 1”, JMND, vol. 6, no. 10, pp. 6071–6081, Jan. 2020.