Ibraheem, Jathwa A., and Muna Yousif Abdul-Ahad. “Detection of Tetracycline, Doxycycline, Chlortetracycline, and Oxytetracycline Antibiotics in Nineveha Drug Wastewater”. Nahrain University College of Engineering Journal, vol. 15, no. 2, Sept. 2012, pp. 215-21, https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/626.