Jailos, Philip, Peter J. Chimtali, and Ephraim Vunain. “Assessment of Groundwater Quality in Areas Surrounding Thundulu Phosphate Mine, Phalombe District, Malawi”. Tanzania Journal of Science 47, no. 3 (August 31, 2021): 1310–1321. Accessed December 8, 2021. https://tjs.udsm.ac.tz/index.php/tjs/article/view/791.