00567nam a22001817a 4500003000400000008004100004020001800045082001700063100001700080245012000097250002500217260005000242300001400292650002000306650001400326650002700340650001800367OSt240404b        |||||||| |||| 00| 0 eng d  a9788122421583  a371.33bK96E  aKumar, K. L.  aEducational Technology : a practical textbook for students, teachers, professionals and trainers / cby K. L. Kumar  a2nd rev. ed. reprint  a.- New Delhib: New age Internationalc, 2012  axix,345p.  aSocial Sciences  aEducation  aEducational Technology  aTeaching Aids