Ramalho, Francisco S., and José V. Gonzaga. “Effects of Cotton Interplanted With Corn, and Pirethroids Against Cotton Boll Weevil”. Pesquisa Agropecuaria Brasileira, vol. 25, no. 2, Apr. 2014, pp. 191-9, doi:10.1590/S1678-3921.pab1990.v25.13365.