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

Nuttawan Suebnanta
Renewable Energy Engineering, School of Renewable Energy, Maejo University, Chang Mai
Thailand

Rotjapun Nirunsin
Renewable Energy Engineering, School of Renewable Energy, Maejo University, Chang Mai
Thailand