TY  - BOOK
AU  - Cottrell, William F.
TI  - Technology, man and progress
SN  - 067509335X
PY  - 1972///
CY  - Columbus
PB  - Charles E. Merrill Publishing Co.
KW  - Teaching
KW  - Education
KW  - Aims and objectives
KW  - School management and organization
KW  - United States
ER  -