000 00253nam a2200097Ia 4500
008 140917b1989 xxu||||| |||| 00| 0 eng d
082 _a371.3, KHA
100 _aKhan, Inayat
245 _aTeaching at a distance
260 _aNew Delhi :
_bAmar pra,
_c1989
999 _c237796
_d237796