000 00595nam a22001817a 4500
999 _c1169
_d1169
003 OSt
008 120907t xxu||||| |||| 00| 0 eng d
020 _a9788120337244
082 _a370.024 6 MAN
100 _aMangal,S K
700 _aMangal,Uma
_eAuthor
245 _a शिक्षा तकनीकी/Educational Technology
260 _aNew Delhi
_bPHI Learning
_c2009
856 _uhttps://books.google.co.in/books?id=StCMRW_eDeEC&pg=PA1&source=gbs_toc_r&cad=3#v=onepage&q&f=false
_yClick for Open e-book
300 _a988p
650 _aEducational Technology
_970
942 _2ddc
_cGB