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Bo Tengnas
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Guidelines on agroforestry extension planning in Kenya
Bo Tengnäs · Regional Soil Conservation Unit, Swedish International Development Authority
71 sayfa · 1993
Planning / Agroforestry extension / Handbooks, manuals
Useful trees and shrubs for Kenya
Patrick M. Maundu, Bo Tengnäs, Nicholas Muema, Ann Birnie · World Agroforestry Centre, Eastern and Central Africa Regional Programme
484 sayfa · 2005
Trees / Utilization / Shrubs / Identification