Perveen, A., and I. I. Naqvi. “KINETIC AND ACTIVATION PARAMETERS FOR THE REDUCTION OF DIPHENYLBENZIDINE WITH ASCORBIC ACID”. The Nucleus, vol. 44, no. 1-2, July 2020, pp. 19-24, http://thenucleuspak.org.pk/index.php/Nucleus/article/view/1027.