Hermann Gruenwald. (2016) Recycled Concrete Aggregate (RCA) Thai reverse logistics supply chain management for ready mix plants. <i>KKU Engineering Journal</i>, <i>43</i>(S1), 57-59.Hermann Gruenwald. "Recycled Concrete Aggregate (RCA) Thai reverse logistics supply chain management for ready mix plants". KKU Engineering Journal 43 (2016):57-59.Hermann Gruenwald. Recycled Concrete Aggregate (RCA) Thai reverse logistics supply chain management for ready mix plants. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2016.