Pramot Weeranukul และ Kittipong Suweero. (2016) Development of cement boards from coconut shell ash for energy and environment conservation. <i>KKU Engineering Journal</i>, <i>43</i>(S1), 173-175.Pramot Weeranukul และ Kittipong Suweero. "Development of cement boards from coconut shell ash for energy and environment conservation". KKU Engineering Journal 43 (2016):173-175.Pramot Weeranukul และ Kittipong Suweero. Development of cement boards from coconut shell ash for energy and environment conservation. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2016.