RODRÍGUEZ, I.V. and CARDONA, C. 2001. Problems related to the incidence of whiteflies as pests of annual crops in the cauca Valley of Colombia. Revista Colombiana de Entomología. 27, 1 (Jan. 2001), 21–26. DOI:https://doi.org/10.25100/socolen.v27i1.9659.