Sarauta A, Sabo A, Abdulhamed IA, Yusuf YO. Assessment of persistent organic pollutants in water samples from River Challawa in Kano, Nigeria. WJER [Internet]. 2015 Dec. 31 [cited 2024 May 17];5(2):159-77. Available from: https://un-pub.eu/ojs/index.php/wjer/article/view/163