Akhtar, J., Amin, N. A. S., Saleem, Y., Shahzad, K., & Zahoor, khurram. (2013). Removal of sulfamethoxazole using catalytic ozonation: An optimization study. Journal of the Pakistan Institute of Chemical Engineers, 41(1), 93–102. Retrieved from http://piche.org.pk/journal/index.php/jpiche/article/view/93