Okun, Barbara F. Effective helping : interviewing & counseling techniques / Barbara F. Okun - 2nd ed. - Monterey, Ca. : Brooks/Cole, 1982 - 288 p. : ill. ; 24 cm. Includes bibliographies and index ISBN: 0818504560 LCCN: 81-6127 Subjects--Topical Terms: CounselingHelping behavior