Lehman, Rosemary M. Motivating and retaining online students : research-based strategies that work. Rosemary M. Lehman and Simone C. O. Conceicao. - San Francisco: Jossey-Bass, 2014. - xviii, 142p. ISBN: 9781118531709 Subjects--Topical Terms: Web-based instruction.Motivation in education. Dewey Class. No.: 371.358 / LEM