00306nam a2200121Ia 450000500170000000800410001704100080005808200150006610000160008124500360009726000420013330000090017520260720174539.0260720s2005    xx            000 0 und d  aeng  a371.2 KOCS  aKochar, S K  aSecondary school administration  aNew DelhibSterling Publicationc2005  a468p