Ventura, Maurício Ursi, et al. “Feeding Preference of Diabrotica Speciosa (Ger.) (Coleoptera: Chrysomelidae) by Broccoli Leaves from Natural, Organic and Conventional Farming Systems”. Semina: Ciências Agrárias, vol. 27, no. 1, June 2006, pp. 43-46, doi:10.5433/1679-0359.2006v27n1p43.