TY  - BOOK
AU  - Ponna Srinivas 
AU  - V. Vanita Das
TI  - B.Sc . first years -first semester-I, Zoology: animal diversity-invertebrates 
SN  - 9788181803634
U1  - 591 
PY  - 2016///
CY  - Hyderabad
PB  - Telgu Akademi
ER  -