TY  - BOOK
AU  - Nash,Roy
TI  - Classrooms observed : : the teacher`s perception and the pupil`s pe rformance / 
U1  - 371.102 
PY  - 1973///
CY  - London : 
PB  - Routledge & Kegan Paul, 
KW  - Classroom management
KW  - Academic achievement
ER  -