TY  - BOOK
AU  - Verma, P.S
TI  - A manual of practical zoology invertebrates
SN  - 978-81-219-0829-0
AV  - QL 362 .V47 2015 
PY  - 2015///
CY  - New Delhi
PB  -  S. Chand & Company
KW  - Invertebrates
ER  -