Boonnop, Krisada, Metha Wanapat, Ngarmnit Nontaso, and Sadudee Wanapat. “ Enriching Nutritive Value of Cassava Root by Yeast Fermentation ”. Scientia Agricola 66, no. 5 (October 1, 2009): 629-633. Accessed September 17, 2019. http://www.revistas.usp.br/sa/article/view/22500.