Akula, L. K., R. K. Oruganti, D. Bhattacharyya, and K. K. Kurilla. “Treatment of Marigold Flower Processing Wastewater Using a Sequential Biological- Electrochemical Process”. Applied Science and Engineering Progress, vol. 14, no. 3, July 2021, pp. 525-42, doi:10.14416/j.asep.2021.04.001.