00683nam a22002177a 4500 195836 195836 Cen Lib / Ret DPL En 374.24 TRE Trecker, Harleigh B. 138719 How to work with groups / by Harleigh Bradley Trecker [and] Audrey R Trecker New York Association Press 1958 291 Broadway New York 167p ; 27cm(Hb) Social groups. 138720 Social group work. 15329 Service social des groupes. 138721 Trecker, Audrey R 138722 ddc EN 374.24 TRE 136271 136271 4 0 0 0 L L 2016-03-17 Cen Lib/Ret 0 374.24 TRE 195836 2016-03-17 00:00:00 1 2016-03-17 EN Written off on approval by DLB (By Circulation); dtd 15-06-2023