00380nam a22001337a 450000500170000002000220001703500130003903700130005210000170006524500690008226000530015130000230020470000190022720120223143524.0  a0706922883c00.00  aA-943034  aDPLbENG  aKumar, Girja  aPhilosophy of user education /cby Girja Kumar and Krishan Kumar  aNew Delhibvikas Publishing House Pvt Ltd.c1983  axi, 247p.c18 cms.  aKumar, Krishan