Suwimon Theakthum
Program in Production Engineering and Management, Faculty of Agricultural Technology and Industrial Technology, Phetchabun Rajabhat University
Thailand

Hathainuch Janchaiyaphoom
Program in Production Engineering and Management, Faculty of Agricultural Technology and Industrial Technology, Phetchabun Rajabhat University
Thailand

Thongchai Khrueaphue
Program in Production Technology, Faculty of Agricultural and Industrial Technology, Phetchabun Rajabhat University
Thailand