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

Putthadee Ubolsook
School of Energy and Environment, University of Phayao, Phayao
Thailand

Chatkaew Chailuecha
School of Energy and Environment, University of Phayao, Phayao
Thailand

Surat Sedpho
School of Energy and Environment, University of Phayao, Phayao
Thailand