OKTAVIANAA., WIDANARNI.., and YUHANAM. “The Use of Synbiotics to Prevent IMNV and Vibrio Harveyi Co-Infection in Litopenaeus Vannamei”. HAYATI Journal of Biosciences, Vol. 21, no. 3, Sept. 2014, p. 127, doi:10.4308/hjb.21.3.127.