TY  - GEN
AU  - Agrahari, Ravi p.
TI  - Science and technology: for civil services preliminary and main examinations
SN  - 9789354601286
U1  - 351.076 
PY  - 2022///
CY  - Chennai
PB  - Mc Graw Hill
N1  - 1. Science and technology in India
2. Space technology
3. Communication and information technology
4. Defence technology
5. universe and Particle Physics
6. Biotechnology
ER  -