@article{sharma_dogra_gupta_koohyar_2014,  title={Potentiometric determination of Nickel (II) ion using 2-hydroxy-1-naphthylidene-N-cyanoacetohydrazone as electroactive material},  volume={37},  ISSN={0100-4042},  url={https://doi.org/10.5935/0100-4042.20140198},  DOI={10.5935/0100-4042.20140198},  number={8},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Sharma, Harish Kumar and Dogra, Pernita and Gupta, Akhilesh Kumar and Koohyar, Fardad},  year={2014},  pages={1324–1328} }