The Journal of King Mongkut's University of Technology North Bangkok
วารสารวิชาการพระจอมเกล้าพระนครเหนือ

Kanchana Meeching
Faculty of Technology and Environment, Prince of Songkla University, Phuket Campus, Phuket
Thailand

Sawittri Thongkungand
Faculty of Technology and Environment, Prince of Songkla University, Phuket Campus, Phuket
Thailand

Thongchai Suteerasak
Faculty of Technology and Environment, Prince of Songkla University, Phuket Campus, Phuket
Thailand