Textos
LIBRO-Software Requirements 3 by Karl Wiegers.pdfLIBRO-Requirements Engineering From System Goals to UML Models to Software Specifications (Axel van Lamsweerde) (z-lib.org).pdfLIBRO-Pohl-requirementsengi.pdfLIBRO-Software Systems Requirements Engineering In Practice (Brian Berenbach, Daniel Paulish etc.) (z-lib.org).pdf