Books listed by ISBN
>
ICRA
> Udo Herbert
Udo Herbert
U Herbert
title
ISBN-13
(ISBN-10)
year of publication
An analysis of the farming system in the Tarime Highlands, Tanzania: implications for research and development
978-9O-73O41-O5-9
(9O-73O41-O5-8)
1990
Udo Hermann Staber