TY  - GEN
AU  - OMARI, M . I
TI  - Motivation, Instruction, Learning and Human Perfomance: A Practical Guide for Teachers on How to Improve Students Perfomance
SN  - 978 9976 4 0432 6
PY  - 2011///
CY  - Dar Es Salaam
PB  - Oxford University Press
ER  -