A. M. Ovalle-Castibalnco, D. M. Cárdenas Aguirre, C. F. Jiménez Varón, and C. A. Abendaño Beltrán, “Influence of field slope on manual harvesting indicators on citrus in the agricultural sector in Caldas-Colombia”, inycomp, vol. 24, no. 1, Jan. 2022.