000 00323nam a2200133Ia 4500
008 160316s2001 xxu||||| |||| 00| 0 eng d
020 _a8170997976
100 _aRamaiah,Y.R
245 _aDistance Education And Open Learning
250 _a
260 _aNEW DELHI
_bMITTAL PUBLICATIONS
_c2001
300 _a263
700 _a
_a
999 _c4330
_d4330