TY  - BOOK
AU  - Lines,Clifford John
AU  - Bolwell,Laurence Henry
ED  - Ginn 
TI  - People at work
SN  - 0602203406
U1  - 372.357 23
PY  - 1971///.
CY  - London: 
PB  - Ginn, 
KW  - Classroom environment
ER  -