Brouwer, Amanda M. Motivation for sustaining health behavior change : The self-as-doer identity / Amanda M. Brouwer. - New York ; London : Routledge, Taylor & Francis Group, 2018. - ix, 90 p. : ill. - Routledge focus . Includes bibliogr. references. ISBN: 9781138036352 9781315178653 Subjects--Topical Terms: Health behavior