Rwegoshora, R. T., and S. M. Magesa. “Observations on the Cross-Resistance Status Between DDT and Permethrin in Anopheles Gambiae s.l. From Zanzibar, Tanzania”. Tanzania Journal of Health Research, vol. 2, no. 2, Oct. 2004, pp. 23-24, doi:10.4314/thrb.v2i2.14228.