Mazlan, Norida, et al. “Status of Persistent Organic Pesticide Residues in Water and Food and Their Effects on Environment and Farmers: A Comprehensive Review in Nigeria”. Semina: Ciências Agrárias, vol. 38, no. 4, Aug. 2017, pp. 2221-36, doi:10.5433/1679-0359.2017v38n4p2221.