SANJAY K. PATIL (2017) “Solvent extraction and spectrophotometric determination Of ni(ii) by using 5-bromo salicylidene-2-aminothiophenol As an analytical reagent”, International Journal of Pharma and Bio Sciences, 8(3), pp. 196–201. doi: 10.22376/ijpbs.2017.8.3.p196-201.