Agro-ecological land resources assessment for agricultural development planning
Kassam
Agro-ecological land resources assessment for agricultural development planning - Rome FAO of the United Nations 1991 - 116 p. - No. 71/7; FAO World Soil Resou .
338.9:631.952(676.2)
Agro-ecological land resources assessment for agricultural development planning - Rome FAO of the United Nations 1991 - 116 p. - No. 71/7; FAO World Soil Resou .
338.9:631.952(676.2)