Panupong Pongpitakkul และผู้แต่งคนอื่นๆ. (2016) A new strategy to improve quality of ready mixed concrete using rice husk ash. <i>KKU Engineering Journal</i>, <i>43</i>(S1), 144-146.Panupong Pongpitakkul และผู้แต่งคนอื่นๆ. "A new strategy to improve quality of ready mixed concrete using rice husk ash". KKU Engineering Journal 43 (2016):144-146.Panupong Pongpitakkul และผู้แต่งคนอื่นๆ. A new strategy to improve quality of ready mixed concrete using rice husk ash. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2016.