มณีฉาย ข., โสวจัสสตากุล ท. and พิมดี ไ. 2016. A DEVELOPMENT OF WEB BASED INSTRUCTION FOR SELF-DIRECTED LEARNING ON ELECTRONIC CIRCUIT AND DEVICE OF THIRD YEAR VOCATIONAL CERTIFICATE STUDENTS. Journal of Industrial Education. 15, 2 (Aug. 2016), 41–47.