00344nam a2200109Ia 4500008004100000040002500041082001500066100004900081245005900130260003700189300000800226230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a370.78 P13  aPadua, Roberto N. and Rosta De Guzman-Santos 0aFundamentals of educational research and data analysis  bKatha Publishing Co., Inc.c1998  a130