TY  - BOOK
AU  - Farmer,Walter A.
TI  - Secondary science instruction: an integrated approach 
SN  - 0939765535
PY  - 1991///
CY  - Providence, Rhode Island
PB  - Janson Publications
KW  - Science
KW  - Study and teaching (Secondary)
N1  - Includes bibliogra;phical references and index; Open access
ER  -