Helmick Samantha C. Mobile social marketing in libraries - New York Rowman and Littlefield U.S.A 2015 - xv, 109p. cm. ISBN: 9781442243811 (pbk) 2892.86 Standard No.: 289,906 Source: 1184, 28/03/2016, Bright Book Service Textual Subjects--Topical Terms: LIBRARY SCIENCE Dewey Class. No.: 2:(X:51), Q5