000 00288nam a22001217a 4500
999 _c159000
_d159000
082 _a
_b
245 _aEncyclopaedia of educational technology (v.10)/
_cby Sita Ram Sharma (ed.).
260 _aNew Delhi:
_bAnmol,
_c1993.
300 _a239p.
600 _a
650 _a
942 _cBK