Khittipop Utila และ Doungkamon Phihusut. (2016) Preparation of graphite oxide using modified Tours method by using raw graphite powder from jewelry industry waste. <i>KKU Engineering Journal</i>, <i>43</i>(S1), 70-73.Khittipop Utila และ Doungkamon Phihusut. "Preparation of graphite oxide using modified Tours method by using raw graphite powder from jewelry industry waste". KKU Engineering Journal 43 (2016):70-73.Khittipop Utila และ Doungkamon Phihusut. Preparation of graphite oxide using modified Tours method by using raw graphite powder from jewelry industry waste. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2016.