TY  - BOOK
AU  - Saha, A. C.
AU  - Roy, A.
TI  - Essentials of biology -I
SN  - 9789389900965
U1  - 574 
PY  - 2020///
CY  - New Delhi
PB  - Kalyani Publishers
KW  - Biology
N1  - Includes bibliographical references and indexes
ER  -