Sarkar, S., and P. Gangopadhyay. “USE OF ALUMINA IN PREPARATION OF OXIME: A PRECURSOR FOR BECKMANN REARRANGEMENT”. International Journal of Current Pharmaceutical Research, vol. 7, no. 3, July 2015, pp. 81-82, https://innovareacademics.in/journals/index.php/ijcpr/article/view/7935.