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 - 005.12 PY - 2016/// CY - India PB - Pearson KW - Object-oriented programming (Computer science) KW - Computer software KW - Software patterns KW - Computer software--Reusability ER -