Wera Phaphuangwittayakul. (2004) Loop thermosyphon as an energy saver for heat pump dryer /. Chiang Mai University,:ม.ป.ท.Wera Phaphuangwittayakul. 2004. Loop thermosyphon as an energy saver for heat pump dryer /. ม.ป.ท.:Chiang Mai University,;Wera Phaphuangwittayakul. Loop thermosyphon as an energy saver for heat pump dryer /. ม.ป.ท.:Chiang Mai University, 2004. Print.