Kilulya, K. ., and G. Mhinzi. “Evaluation of Patterns and Spatial Trends of Pesticide Residues from Vikuge Farm, Coast Region, Tanzania by Principal Components Analysis”. Tanzania Journal of Science, vol. 38, no. 3, Apr. 2021, pp. 184-00, https://tjs.udsm.ac.tz/index.php/tjs/article/view/456.