R. A. Rodríguez Padrón, A. Swarowsky, A. Schons, P. Cánepa, e P. Gamazo, “ECONOMIC ANALYSIS IN BELL PEPPER CROP ON OPEN FIELD PRODUCTION SYSTEM AND UNDER IRRIGATION DEPTHS”, Rev. Act. Igu., vol. 5, nº 1, p. 11–21, jan. 2000.