00618nam a2200205Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001600095100002500111245003700136260004500173300000900218650002200227942001300249999001900262952013100281OSt20250930121620.0250729s2005    xx            000 0 und d  a9788171697427  cAL  aeng  a311.22 PRAP  aPrakash Ravi9222863  aProblems of educational research  aNew DelhibCommonwealth Publishersc2005  a446p  aEducation9222864  2ddccBED  c235643d235643  00104070aALbALd2025-07-29eSita Book Houseg225.00l0o311.22 PRAPpBED00962r2025-07-29 16:54:10v225.00w2025-07-29yBK