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1by Hrabovszky, J. P.Subjects: “...Agriculture Energy conservation Developing countries....”
Published 1981
Microform Book -
2by Abdel-Aziz, Abdel-Hamid F.Subjects: “...Agricultural extension work Developing countries....”
Published 1975
Microform Book -
3Published 1976Subjects: “...Horticulture Developing countries Handbooks, manuals, etc....”
Microform Book -
4Published 1976Subjects: “...Horticulture Developing countries Handbooks, manuals, etc....”
Microform Book -
5Published 1976Subjects: “...Horticulture Developing countries Handbooks, manuals, etc....”
Microform Book -
6by Stanton, W. R.“...Developing countries Renewable energy sources....”
Published 1977
Microform Book