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

Pichayes Sapprasert
Faculty of Technology and Environment, Prince of Songkla University, Phuket Campus, Phuket
Thailand

Wilaipan Khongsawat
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
Thailand