TY  - GEN
AU  - Agarwal, Ghamandi Lal
TI  - Kya, kyon aur kaise?
SN  - 9789383348084
U1  - 500 
PY  - 2022///
CY  - Delhi
PB  - Trident publisher
KW  - Everyday science
KW  - Scientific experiments
ER  -