Twelvetrees Alan 1943 Community work / Alan Twelvetrees. - 2nd ed. - Basingstoke : Macmillan Education, 1993. - 180 p. ; 22 cm. Previous ed.: 1982. Includes bibliography and index. ISBN: 0333495063 Subjects--Topical Terms: Social serviceCommunity organization LC Class. No.: HV41 Dewey Class. No.: 361.8