Burnside, Irene Mortenson, 1923- Working with the elderly : group process and techniques / Mortenson Irene B. - North Scituate, Massachusetts : Duxbury Press, 1978. - xv, 421 p. ; 23 cm. Includes bibliographies and index. Open access. ISBN: 0878721541 LCCN: 781980 Subjects--Topical Terms: Social work with older people.Social group work.