TY  - BOOK
AU  - Muthomi, Mercy Wanja.
TI  - Effectiveness of a differentiated instruction on attitude and achievement in mathematics in secondary schools in Meru county Kenya. 
AV  -  BSL THE QA 11 M88 2013 
PY  - 2013///
CY  - Grosvenor Press
PB  - London
ER  -