TY  - BOOK
AU  - Cartwright, Carol A.
AU  - Cartwright, G Phillip
TI  - Developing observation skills
SN  - 007010185X
U1  - 371.3 
PY  - 1984///
CY  - New York
PB  - McGraw Hill Book Company
KW  - School Education
KW  - Methods
ER  -