TY  - BOOK
AU  - Ngau,Peter
AU  - Kumssa,Asfaw
TI  - Research design, data collection and analysis: a training manual 
SN  - 490623691X :
AV  - HA29 .R47
PY  - 2004///
CY  - Nairobi
PB  - UNCRD
KW  - Social sciences
KW  - Research
KW  - Statistical methods
ER  -