Gamma, E. (2016). Design patterns: Elements of reusable object-oriented software. Pearson.
Chicago Edition CitationGamma, Erich. Design Patterns: Elements of Reusable Object-oriented Software. Noida.: Pearson, 2016.
Deismireacht MLAGamma, Erich. Design Patterns: Elements of Reusable Object-oriented Software. Pearson, 2016.
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