000 00326nam a2200133Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
040 _cLDD
245 0 _aHandbook of distance education
260 _aNew Delhi
_bAssociation of Indian Univ
_c1990
300 _a93
901 _a314
_b12-03-1996
942 _2ddc
_cBK
999 _c40625
_d40625