00285nam a2200121Ia 4500008004100000041000900041082001600050100001800066245002600084260003700110300000800147650000800155230718s9999    xx            000 0 und d  aEng.  a1.42bBES-R  aBest, Then W. 0aResearch in Education  aPakistanbLove Mall Labovec2006  a438  aLaw