CARILLO-U., ENRIQUE, et al. “SIMULATED DAMAGES IN PERCENTAGES OF BALLOTEROS ESPECIALLY Anthonomus Grandis, AT DIFFERENT AGES IN THE COTTON”. Revista Colombiana De Entomología, vol. 3, no. 3-4, Dec. 1977, pp. 65-70, doi:10.25100/socolen.v3i3-4.10391.