Vaishnavi, Vijay K. Design science research methods and patterns : innovating information and communication technology / Vijay K. Vaishnavi and William Kuechler, Jr. - 2nd ed. - Boca Raton, FL : CRC Press, 2015 - xxxiii, 373 p. : ill. ; 24 cm. Includes bibliographical references and index ISBN: 9781498715256 Subjects--Topical Terms: Information technology--Research