00429nam a2200121Ia 4500008004100000082001800041245006200059260002900121700002600150942000700176999001700183952010700200220204s9999    xx            000 0 und d  a159.9.07bKRA 0aSingle subject research: Strategies for evaluating change  aNew YorkbAcademicc1978  aKratochwill, Thomas R  cBK  c28605d28605  00104070aMAINbMAINd2021-12-16g22.50l0o159.9.07 KRAp09204r2021-12-16 00:00:00w2022-02-14yBK