Toseland, Ronald W. An introduction to group work practice / Ronald W. Toseland, Robert F. Rivas. - 2nd ed. - Boston : Allyn and Bacon, 1995. - xiii, 513 p. : ill. ; 25 cm. ISBN: 002421132X Subjects--Topical Terms: Social group work.Leadership. LC Class. No.: HV45 / .T68 1995 Dewey Class. No.: 361.4