VELIZ, R. C.; GADANHA-JR., C. D.; VÁSQUEZ-CASTRO, J. A. Effectiveness of Two Systems for the Spraying of Pesticides in Citrus Trees. Rev. Colomb. Entomol. 2010, 36 (2), 217-222. https://doi.org/10.25100/socolen.v36i2.9148.