Influence of the nitrogen source on the productions of alfa-amylase and glucoamylase by a new Trichoderma sp. from soluble starch - Pacheco-Chávez, Rachel Abiság; Tavares, Leoberto Costa; Teixeira, Antonio Carlos S. C.; Carvalho, João Carlos Monteiro de; Converti, Attilio; Sato, Sunao (Chemical Biochemical Engineering Quarterly, 2004)