TY  - GEN
AU  - Mugenda, Olive M.
TI  - Research methods : : quantitative and qualitative approaches 
SN  - 9966411070
AV  - Q180.K45 .M84 1999
PY  - 1999///
CY  - Nariobi, Kenya : 
PB  - African Centre for Technology Studies, 
N1  - Includes index
ER  -