00304nam a2200121Ia 450000500170000000800410001704100080005808200160006610000100008224500620009226000200015430000080017420260720174730.0260720s2001    xx            000 0 und d  aeng  a371.26 IGNE  aIGNOU  aEducational evaluation:statistical techniques of analysis  aNew Delhic2001  a88p