TY  - BOOK
AU  - Gamma, Erich;  Helm, Richard;  Johnson, Ralph E., Jhon Vlissides
TI  - DESIGN PATTERNS: ELEMENTS OF REUSABLE OBJECT-ORIENTED SOFTWARE, (*) (PEARSON)
SN  - 9789330000000
U1  -  005.12 GAM/HEL/JOH/VIL 
PY  - 2022///
CY  - Noida, Uttar Pradesh
PB  - PEARSON INDIA EDUCATION SERVICES, PVT. LTD.
ER  -