Tareen, A. K.; Danbamrongtrakool, N. .; Sultan, I. N. .; Laemsak, N. .; Sirisansaneeyakul, S. .; Vanichsriratana, W. .; Parakulsuksatid, P. . Utilization of urea as a nitrogen source for ethanol production from oil palm trunk using simultaneous saccharification and fermentation. Agr. Nat. Resour. 2021, 55, 448–455.