00457nam a2200157Ia 4500 170901s1968 xx 000 0 und d 374.22 A89P Auerbach, Aline B. Parents Learn Through Discussion Principles and Practices of Parent Group Education New York John Wiley and Sons 1968 358 Education Social sciences Group education ddc BK 4300 4300 0 0 ddc 0 0 RAU RAU 2017-10-18 0 374.22 A89P 3135 2017-10-18 2017-10-18 BK