F. . Jasim, M. . Al-Hamdany, and A. . . Najim, “Spectrophotometric Micro Determination of Gold by Formation of Ion Pair Association Complex with the Drug Ranitidine”, Iraqi Journal of Science, vol. 47, no. 1, pp. 18–22, Jan. 2025, doi: 10.24996/ijs.2006.47.1.%g.