TY  - BOOK
AU  - Ame. Inst. of Biological Sc.
TI  - Teacher's manual for student laboratory guide biologial sciences
T2  - (Biological Sciences Curriculum Study)
U1  - 574.072 A6T3 
PY  - 1963///
CY  - NCERT/ Harcourt
PB  - Brace & World
ER  -