00374nam a2200133Ia 4500008004100000082001700041100002100058245003600079260005800115300000800173650001400181650002000195653002500215170901s1963    xx            000 0 und d  a370.78bM84S  aMouly, George J. 0aScience of Educational Research  aNew DelhibEurasia Publishing House (Pvt.) Ltd.c1963  a515  aEducation  aSocial sciences  aEducational research