00421nam a2200157Ia 4500008004100000020001800041082001500059100003400074245002600108250000900134260003800143300002300181500001900204600002000223650002000243240925s9999    xx            000 0 und d  a9789332574519  a370.78 BES  aBest, John W.; Kahn, James V. 0aResearch in Education  a10th  aIndia:bPearson Educationc,2017.  a134p.b0fOriginal  aIncludes Index  aSocial Sciences  aSocial Sciences