PATEL, S. N.; PATEL, N. B. Dyeing assessment and antimicrobial activity of tetra azo acid dyes derived from 4,4’-(propane-2,2-diyl)bis(2-methyl-4,1phenylene) bis(3-aminobenzenesulfonate). IJRDO-Journal of Applied Science, v. 2, n. 5, p. 16-31, 31 May 2016.