Sustainabel Community Development Services (SCODE)
P. O. Box 13177
Nakuru
Kenya
Practical Action - Eastern Africa
P.O. Box 39493 - 00623
Nairobi
Kenya
The Publication of this manual has been made possible by funding form the following
The Department for International Development
European Union
The Ashden Trust
ISBN: 9966 931 12 0
This document was originally published by the Intermediate Technology Development Group – East
Africa, now Practical Action East Africa.
© SCODE and Practical Action, East Africa, April 2002
Design and illustrations by Wep Impressions