nam a22 7a 4500 13133 13133 OSt 20231003155716.0 231003b xxu||||| |||| 00| 0 eng d 9789332555402 AEF 23rd ed. 005.12 GAM Gamma, E. 272 Design patterns: elements of reusable object-oriented software 1st ed. Chennai: Pearsons, 2022 479 p.: 23 cm Object-oriented programming (Computer science) 3461 Computer software--Reusability 3462 Software patterns 3463 Computer software 3464 Gamma, Erich 272 Helm, Richard 3465 Johnson, Ralph E. 1955- 449 ddc Book 0 0 ddc 0 0 AEF AEF 2023-10-20 9 634.95 8703 2023-10-20 765.00 2023-10-20 Book 0 0 ddc 0 0 AEF AEF 2023-10-20 9 634.95 8704 2023-10-20 765.00 2023-10-20 Book