Kerkhof, P. (1990). Agroforestry in Africa: A survey of project experience. Panos.
Chicago-čujuhus (17. p.)Kerkhof, Paul. Agroforestry in Africa: A Survey of Project Experience. London: Panos, 1990.
MLA-čujuhus (9. p.)Kerkhof, Paul. Agroforestry in Africa: A Survey of Project Experience. Panos, 1990.
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