References
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- ICR AF, 1991. International Centre for Research in Agroforestry. Annual Report 1991, pp 84–87
- ICRAF, 1993a. International Centre for Research in Agroforestry. Annual Report 1993, pp 86–88
- ICRAF, 1993b. International Centre for Research in Agroforestry. Annual Report 1993, pp 98–101
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- ICRAF, 1994. International Centre for Research in Agroforestry. Annual Report 1994, pp 106–109