“Insecticide effects of Ruta graveolens, Copaifera langsdorffii and Chenopodium ambrosioides against pests and natural enemies in commercial tomato plantation - doi: 10.4025/actasciagron.v33i1.5900” (2011) Acta Scientiarum. Agronomy, 33(1), p. 37–43. doi:10.4025/actasciagron.v33i1.5900.