Ratanaphadit, K., Kaewjan, K. and Palakas, S. 2017. Potential of glucoamylase and cellulase production using mixed culture of Aspergillus niger TISTR 3254 and Trichoderma reesei TISTR 3081. Asia-Pacific Journal of Science and Technology. 15, 9 (Apr. 2017), 833–842.