000 00308nam a2200097Ia 4500
008 211224s9999 xx 000 0 und d
020 _a9788131302446
245 0 _aEncyclopaedia of distance education (3 vols)
260 _aNew Delhi:
_b:
_bAPH Publishing Coporation
700 _aRai. D P*Bajpaj , R P*Singh, Neelam
999 _c95147
_d95147