00618nam a2200205Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001600096100002500112245003600137260004500173300000900218650002200227942001300249999001900262952013100281OSt20250927102535.0250729s2005 xx 000 0 und d a978-8171697298 cAL aeng a311.22 PRAM aPrakash ravi9222808 aMethods of educational research aNew DelhibCommonwealth Publishersc2005 a379p aEducation9222809 2ddccBED c235619d235619 00104070aALbALd2025-07-29eSita Book Houseg190.00l0o311.22 PRAMpBED00938r2025-07-29 16:54:09v190.00w2025-07-29yBK