00318nam a2200121Ia 450000500170000000800410001704100080005808200160006610000150008224500450009726000450014230000090018720260720174600.0260720s2007    xx            000 0 und d  aeng  a371.26 SINT  aSingh, Raj  aTechniques of measurment and evaluvation  aNew DelhibCommonwealth Publishersc2007  a435p