TY  - BOOK
AU  - Gamma, Erich
AU  - Helm, Richard
AU  - Johnson, Ralph
AU  - Vlissides, John
TI  - Design patterns: : elements of reusable object-oriented software
SN  - 9789332555402
U1  - 005.117 
PY  - 2024///
CY  - Noida
PB  - Pearson
KW  - Design patterns, object-oriented software
ER  -