NOTODARMOJO, S.; ZULKARNAIN, T.; MAYASANTHY, D.; IRSYAD, M. Effect of pretreatment to the formation of cake layer and membrane structure in the application of ultra filtration cross-flow Membrane for the treatment of oil-water emulsion waste. Journal of Mathematical and Fundamental Sciences, v. 36, n. 2, p. 127-144, 31 Dec. 2013.