00293nam a2200109Ia 4500008004100000020001800041082001400059100001300073245005500086260000900141500003300150260604s9999    xx            000 0 und d  a9781483358291  a001.4 HEY  aHEYVAERT 0aUSING MIXED METHODS RESEARCH SYNTHESIS:FOR LITERAT  bSAGE  aResearch, Literature Reviews