Economic Development Foundation2007-11-121984-04-012007-11-121978http://hdl.handle.net/10625/6190Text1 digital file (22 p. : ill.)Application/pdfenCHARCOALHEATINGCOCONUTSWOOD TECHNOLOGYENGINEERING DESIGNModified drum kilns for coco shell charcoal productionWorking Paper