000 00282nam a22001097a 4500
003 OSt
100 _aSingh, Y K
245 _aEncyclopaedia of of Educational Technology : Management of Planning vol-III
260 _aNew Delhi
_bAPH Publishing
_c2014
300 _ap.339
942 _2ddc
_cBK
999 _c4478
_d4478