Operationalizing the DLV program : an integrated agro-economic and agro-ecological approach to a methodology for analysis of sustainable land use and regional agricultural policy /

by Hengsdijk, Huib
Published 1993

LUCTOR land use crop technical coefficient generator version 2.0 : a model to quantify cropping systems in the Northern Atlantic zone of Costa Rica /

by Hengsdijk, Huib
Published 1998