TY  - BOOK
AU  - Sunil Kumar singh
AU  - Suman,R.P
AU  - Sinha,Renu
TI  - Lucent's General science/ 
SN  - 9789384761141
U1  - 500 
PY  - 2021///
CY  - Patna
PB  - Lucent Publication
ER  -