TY  - GEN
AU  - Sidhu, H.S.
AU  - Gurbinder kaur
AU  - Sachpreet kaur
TI  - Science & technology: esencia
T2  - Top teachers' series
SN  - 9788119361496
U1  - R.R. 500.076 23rd ed. 
PY  - 2022///
CY  - New Delhi
PB  - Unique Publishers
KW  - Science
KW  - Examination, questions etc.
KW  - Technology
KW  - Examinations, questions etc.
ER  -