ISSN: 2985-2145
Mana Wichangarm
Department of Mechanical Technical Education, Faculty of Technical Education, Rajamangala University of Technology Isan Khonkaen campus, Khon Kaen
Thailand
Pattanapong Kaewpho
Department of Mechanical Technical Education, Faculty of Technical Education, Rajamangala University of Technology Isan Khonkaen campus, Khon Kaen
Thailand
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