Sousa, L. C. F. S.; Sousa, J. da S.; Pereira, E. M.; Freires, G. F.; Maracaja, P. B. The Perception of Vegetables Producers in Relation to Pest Control in the Community of Várzea Comprida Dos Oliveiras Pombal–PB Brazil. Green Journal 2012, 7, 106-116.