![Design Patterns Alan Shalloway, James Trott, Design Patterns Explained, Addison-Wesley, Gamma, Helm, Johnson, Vlissides, Design Patterns, Elements. - ppt download Design Patterns Alan Shalloway, James Trott, Design Patterns Explained, Addison-Wesley, Gamma, Helm, Johnson, Vlissides, Design Patterns, Elements. - ppt download](https://slideplayer.com/6338474/22/images/slide_1.jpg)
Design Patterns Alan Shalloway, James Trott, Design Patterns Explained, Addison-Wesley, Gamma, Helm, Johnson, Vlissides, Design Patterns, Elements. - ppt download
![Design Patterns: Elements of Reusable Object-Oriented Software - Gamma, Erich; Helm, Richard; Johnson, Ralph; Vlissides, John; Fowler, Martin: 9780201485370 - AbeBooks Design Patterns: Elements of Reusable Object-Oriented Software - Gamma, Erich; Helm, Richard; Johnson, Ralph; Vlissides, John; Fowler, Martin: 9780201485370 - AbeBooks](https://pictures.abebooks.com/isbn/9780201485370-us.jpg)
Design Patterns: Elements of Reusable Object-Oriented Software - Gamma, Erich; Helm, Richard; Johnson, Ralph; Vlissides, John; Fowler, Martin: 9780201485370 - AbeBooks
![Design Patterns: Elements of Reusable Object- Orientated Software Gamma, Helm, Johnson, Vlissides Presented By: David Williams. - ppt download Design Patterns: Elements of Reusable Object- Orientated Software Gamma, Helm, Johnson, Vlissides Presented By: David Williams. - ppt download](https://slideplayer.com/9027239/27/images/slide_1.jpg)
Design Patterns: Elements of Reusable Object- Orientated Software Gamma, Helm, Johnson, Vlissides Presented By: David Williams. - ppt download
![Design Patterns: Elements of Reusable Object-Oriented Software: Erich Gamma, Richard Helm, Ralph Johnson, John Vlissides, Grady Booch: 8601419047741: Amazon.com: Books Design Patterns: Elements of Reusable Object-Oriented Software: Erich Gamma, Richard Helm, Ralph Johnson, John Vlissides, Grady Booch: 8601419047741: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/81z-QAU+vmL._AC_UL210_SR210,210_.jpg)