TY  - BOOK
AU  - Gregory, William H.
AU  - Goldman, E, H.
TI  - Teachers'  manual : to accompany biological science for high school
U1  - 570.7 
PY  - 0000///
CY  - New Delhi
PB  - E.P.H &   Ltd
KW  - Teachers instructional manual
KW  - Biology science
ER  -