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Algeria

  • Lawless, Richard I.

Andean roots and tubers

  • International Potato Center

Aspectos sócio-econômicos da cacauicultura

levantamento bibliográfico

  • Santos, Jurema Correia

Bibliografía comentada sobre hortalizas

  • Biblioteca Agropecuaria de Colombia

Drylands development and combating desertification

bibliographic study of experiences in countries of the CIS

  • Plit, Florian

Drylands development and combating desertification

bibliographic study of experiences in China

  • Food and Agriculture Organization of the United Nations

Ecology in semi-arid East Africa:

a selection of recent ecological references

  • Ulfstrand, Staffan

Eritrea

  • Fegley, Randall

Ethiopia

  • Munro-Hay, S. C.

Farming systems in Africa

a working bibliography, 1930-1978

  • Lawani, S. M.

The Green Revolution

an international bibliography

  • Karim, M. Bazlul

Horticulture

a select bibliography

  • Ruck, H. C.