Shar, G. A., & Soomro, G. A. (2020). SPECTROPHOTOMETRIC DETERMINATION OF COBALT(II), NICKEL(II) AND COPPER (II) WITH 1-(2 PYRIDYLAZO)-2-NAPHTHOL IN MICELLAR MEDIUM. The Nucleus, 41(1-4), 77–82. Retrieved from http://202.83.167.189/index.php/Nucleus/article/view/1068