Mathematical programming models as tools for centralized planning in decentralized decision situations : a critical examination of the reliability of agricultural sector models as a basis for policy decisions

Quality management and process improvement for competitive advantage in agriculture and food : February 19 - 21, 1997, Bonn, Germany

Schiefer, Gerhard W., (2001)

E-commerce and electronic markets in agribusiness and supply chains : proceedings of the 75th Seminar of the European Association of Agricultural Economists (EAAE), February 14 - 16, 2001, Bonn, Germany

Schiefer, Gerhard W., (2001)

E-Commerce and electronic markets in agribusiness and supply chains : proceedings of the 75th Seminar of the European Association of Agricultural Economists (EAAE), February 14-16, 2001, Bonn, Germany

Schiefer, Gerhard W., (2003)