Jagathjothi, N., and M. M. Amanullah. “Effect of Tannery Effluent and Domestic Wastewater Irrigation on Growth Parameter and Flower Yield of Marigold”. Research Journal of Phytomedicine, Vol. 1, no. 1, July 2015, pp. 26-29, http://asdpub.com/index.php/rjp/article/view/114.