Agricultural economics.
Economics of agriculture. : Reader. /
Research in agricultural engineering.
Economics with applications to agriculture.
British agricultural research : Rothamstead /
Research Institute of Horticulture.
Introduction to economics of agricultural development. /
Research and extension in agricultural development. /
Journal of the Australian Institute of Agricultural Science.
Economic geography an institutional approach /
The iron and steel research institute /
Agriculture land reforms and economic development.
Operations Research in Agriculture and Water Resources.
Economic questions of main agricultural branches : studies /
Journal of modern economic research.
Research Institute for Animal Production Nitra /
Annual of the Research Institute for Telecommunication 1973.
Operations research and quantitative economics : an elementary introduction /
Handbook of research on gender and economic life /
Applied geographical research in the Geographical research institute of the Hungarian academy of sciencies /
Research Institute for Agricultural Economics : bulletin No. 35 /
How to compound economic feed rations with a graphic method /