00402pab a2200133 454500008004000000100001600040245011700056260000900173300001000182362001000192650002300202700002300225773002000248180718b1999   xxu||||| |||| 00| 0 eng d  aPradhan, N.  aResearches on management of instructional system in distance education and open universities: a meta perspective  c1999  ap.3-6  a1 Mar  aDistance education  aKaur, Pabla Ranjit  aUniversity News