[1]
W. A. Bashir, ولید, N. S. Othman, and عثمان, “Spectrophotometric Determination of Benzocaine by Azo-Dye Formation Reaction with N - (1-naphthyl)ethylenediamine as Coupling Agent”, EDUSJ, vol. 17, no. 3, pp. 48–60, Jun. 2005.