000 00451nam a2200169Ia 4500
003 NIELib
008 211019s9999||||xx |||||||||||||| ||und||
020 _a8186880569
082 _a374.26
_bSAH
100 _aSahoo, P.K.
245 _aEducational technology in distance education
260 _bAravali Books International,
_c1999.
_aNew Delhi :
300 _a177p.;
_c22cm
650 _aMass Media
650 _aAdult Education
942 _2ddc
_cLM
999 _c10813
_d10813