TY  - BOOK
AU  - Ngau, Peter
AU  - Kumssa, Asfaw
TI  - Research design, data collection and analysis: a training manual
SN  - 490623691X
AV  - HA29.R447 2004 
PY  - 2004///
CY  - Nairobi
PB  - UN Centre for Regional Development
KW  - Research methodology
ER  -