00349nam a2200121Ia 4500008004100000040002500041082001600066100003600082245004000118250001800158260004300176300000800219230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a 371. 3 L32  aLardizabal, Amparo S. [et.,al.] 0aPrinciples and methods of teaching   aThird Edition  bPhoenix Publishing House., Inc. c1991  a307