00427nam a2200097Ia 4500008004100000050002500041100002000066245007100086247009600157264007600253230508s1994    xx            000 0 und d  aLB 1027.28 B734 19941 aBorich, Gary D.10aObservation skills for effective teaching 2nd ed.cBorich, Gary D.  aObservation skills for effective teaching 2nd ed._LB 1027.28 B734 1994_Borich, Gary D._1994  a[Place of publication not identified] : bMacmillan Publishers, c1994.