TY  - BOOK
AU  - Vinay, G. B ed. by
TI  - Science and technology : question bank   
SN  - 9789389811483
PY  - 2020///
CY  - Chennai
PB  - Mc Graw Hill
KW  - Science and Technology
KW  - Competitive Examination Guide--Civil Service
KW  - Physics
KW  - Biotechnology
ER  -