Methods of Farm Management Investigations : for improving farm productivity
Yang, W.
Methods of Farm Management Investigations : for improving farm productivity - 2 ed. - Roma, Italia Food and Agriculture Organization of The United Nations 1965 - 258 grafs.; tbls.
Granjas
Administración
Methods of Farm Management Investigations : for improving farm productivity - 2 ed. - Roma, Italia Food and Agriculture Organization of The United Nations 1965 - 258 grafs.; tbls.
Granjas
Administración