00313nam a2200109Ia 4500008004100000040002500041082001800066100004300084245003000127260003700157300000900194230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a371.307'8 L96  aLucido,  Paz I. and Breanda B. Corpuz  0aEducational technology 2   bKATHA Publishing Co., Inc.c1997  a91p.