Ratchaphon Suntivarakorn และ Chatcharin Sakkampang. (2010) A Study of Boiler Efficiency Using Blended Fuel between Glycerin and Heavy Oil Fuel. <i>KKU Engineering Journal</i>, <i>37</i>(2), 109-119.Ratchaphon Suntivarakorn และ Chatcharin Sakkampang. "A Study of Boiler Efficiency Using Blended Fuel between Glycerin and Heavy Oil Fuel". KKU Engineering Journal 37 (2010):109-119.Ratchaphon Suntivarakorn และ Chatcharin Sakkampang. A Study of Boiler Efficiency Using Blended Fuel between Glycerin and Heavy Oil Fuel. Faculty of Engineering, Khon Kaen Univeristy:ม.ป.ท. 2010.