Anjum Ansari, Smita Joshi, and Sulbha Amlathe. 2012. “Chromogenic Reagent System for Complexation of Nitrobenzene and Its Application to Real Sample”. International Journal of Research in Chemistry and Environment (IJRCE) 2 (3):14-20. https://ijrce.org/index.php/ijrce/article/view/292.