Seif, A. and Hillocks, R. 2004. Distribution, incidence and management of Phaeoramularia fruit and leaf spot of citrus with special reference to western Kenya. East African Agricultural and Forestry Journal. 68, 2 (Dec. 2004), 85–92. DOI:https://doi.org/10.4314/eaafj.v68i2.1781.