00391nam a22001217a 450000500170000000800410001704100080005808200190006610000170008524501110010226000460021330000100025920260421112409.0260421b        |||||||| |||| 00| 0 eng d  aeng  a155.418bKOH/S  aKohn, Martin  aSocial Competence, Symptoms and Underachivement in Childhood: A Longitudinal Perspectivec/ by Martin Kohn  aNew York:bJohn Wiley & Sond Ltd.;c1977.  a288p.