00694 a2200181 4500 CTA working document number 8028 NGUGI, David N. 5832 Agroforestry study visit to Malawi and Zambia: 20-30 January 2002 report/ David N. Ngugi. Wageningen: CTA, December 2002. iii,120p. CTA working document series. 5833 agrisilviculture crop management agroforestry forestry ddc BK 2411 2411 0 0 ddc 0 1 REF DIC DIC REF 2010-08-30 CTA 3000.00 04.05.00 0005063 2010-08-30 00:00:00 4000.00 2010-08-30 BK