Sil, A., M. Barman, S. Ghosh, K. Pramanik, S. Sen, and K. Saha. “Recent Status of Global Polychlorinated Biphenyls Contamination”. International Research Journal of Pure and Applied Chemistry, Vol. 21, no. 11, July 2020, pp. 57-67, doi:10.9734/irjpac/2020/v21i1130224.