JARAMILLO-N., JORGE E., et al. “STUDIES OF THE ECONOMIC LEVEL OF DAMAGE OF THE POTATO MOTH, Phthorimaea Operculella (Zeller) (Lepidoptera: Gelechiidae)”. Revista Colombiana De Entomología, vol. 15, no. 2, July 1989, pp. 28-35, doi:10.25100/socolen.v15i2.10183.