Shar, G. A., and G. A. Soomro. “DETERMINATION OF COBALT(II) AND NICKEL(II) WITH ISOAMYLXANTHATE AS A COMPLEXING REAGENT IN MICELLAR MEDIA”. The Nucleus, vol. 45, no. 3-4, July 2020, pp. 125-30, http://202.83.167.189/index.php/Nucleus/article/view/986.