RT Book T1 Professional reforming: mobilization for youth and the failure of social science T2 Lexington books A1 Helfgot, Joseph H. LA English PP Lexington, Mass PB Lexington Books YR 1981 UL https://krimdok.uni-tuebingen.de/Record/1651306486 NO Bibliography: p209-218. - Includes index CN HV743.N49M63 SN 0669041009 K1 New York++(City).++Manhattan. Welfare work with young persons. Organisations: Mobilization for Youth,++1962-1972