Clark, Vicki L. Plano Mixed methods research : a guide to the field - New Delhi: Sage publications India Pvt. Ltd, 2016. - xxviii, 331 p. - Sage mixed methods research series v. 3 . ISBN: 9781483306759 Subjects--Topical Terms: Research--MethodologySocial sciences--Research--Methodology Dewey Class. No.: 001.42 CLA