WHO 1986. Resistance of vectors and reservoirs of disease to pesticides. Tenth report of the WHO Expert Comminttee on Vector Biology and Control. Tech. Rep. Ser. No. 737, 87 pp.
1976
Sudan
WHO 1976. Resistance of vectors and reservoirs of diesease to pesticides. 22nd Rep. WHO Expert Committee on Insecticides. Tech. Rep. Ser. No. 585, 88 pp.