desarrollo 9 libro php 8 Diseño 5 Diseño gráfico 5 open source 4 web 4 Abstract Factory 3 Adapter 3 Base de datos relacional 3 Bridge 3 Builder 3 Chain of Responsibility 3 Command 3 Composite 3 Decorator 3 Factory Method 3 Façade 3 Flyweight 3 GoF 3 Interpreter 3 Iterator 3 MVC 3 Mediator 3 Memento 3 Observer 3 POO 3 Prototype 3 Proxy 3 SGBD 3 SGBDR 3