Books listed by ISBN
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Regional Soil Conservation Unit, Swedish International Development Authority
> James G. Ngumy
James G. Ngumy
title
ISBN-13
(ISBN-10)
year of publication
Teacher's manual on agroforestry in dryland Africa
978-9966-896-O2-5
(9966-896-O2-3)
1992
G. N.
·
J. G.
·
James G.
·
James N.
·
James Ngumy
James G. Nourse