Nazar Hussain Kalwar, Sirajuddin, Syed Tufail Hussain Sherazi, Abdul Rauf Khaskheli, Razium Ali Soomro, and Afzal Shah , Trans., “Reduction of Hexavalent Chromium Using L-Cysteine Capped Nickel Nanocatalysts”, Pak. J. Anal. Environ. Chem., vol. 14, no. 1, pp. 54 – 60, Apr. 2025, doi: 10.21743/.