00281nam a2200109Ia 4500008004100000020001800041082001400059100001700073245003600090260003700126300000800163190709s9999    xx            000 0 und d  a81-207-0084-8  a373 K811S  aKochhar, S K 0aSecondary school administration  aDelhibSterling Publishersc2000  a467