Elizabeth DePoy Introduction to research : understanding and applying multiple strategies / Elizabeth DePoy & Laura N. Gitlin - Fifth edition. - Missouri : Elsevier, 2016. - xiv, 398 pages : illustrations ; 24 cm. Includes bibliographical references and index. ISBN: 9780323261715 Subjects--Topical Terms: Research design.Biomedical Research. Dewey Class. No.: 362.1072 DEP