?url_ver=Z39.88-2004&rft_id=10.1109%2FNatPC.2011.6136412&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=S.M.&rft.au=Atnaw%2C+S.M.&rft.aulast=Atnaw&rft.isbn=9781457718847&rft.title=Prediction+of+calorific+value+of+syngas+produced+from+oil-palm+fronds+gasification&rft.date=2011&rft.genre=proceeding