K.N.Patankar Jain* 1 , Irfan R. Memon2. “Complexation of Ni (II) by Using 5-Nitrosalicylaldehyde Semicarbazone (NSS) As a Novel Analytical Reagent and Its Spectrophotometric Determination”. International Journal of Emerging Trends in Science and Technology, Vol. 3, no. 09, Sept. 2016, pp. 4604-8, http://igmpublication.org/ijetst.in/index.php/ijetst/article/view/1219.