O. Khongsumran, P. Intanoo, P. Rangsunvigit, S. Chavadej, and M. Leethochawalit, “Enhancement of Anaerobic Digestion of Cellulosic Fraction in Cassava Production Wastewater by Microaeration”, Chemical Engineering Transactions, vol. 39, pp. 553-558, Aug. 2014.