00265nam a2200109 a 450000500170000002000150001708200210003210000240005324500360007726000220011330000200013520251203091858.0  a817035045X  a371.967,bD, pan  aPandey, Prem Narain  aEducational and social mobility  aDelhibDayac1988  axvi, 198p, 22cm