TY  - BOOK
AU  - Ng'ang'a, A.
TI  - Alternative roofing technology: A case study of technology development and dissermination in kenya
SN  - 978-9966-931009--
U1  - 666.732096762 NGA 
PY  - 1997///
CY  - Nairobi
PB  -  Intermediate Technology Kenya
ER  -