000 00267nam a22001337a 4500
003 OSt
100 _aV.K, Rao
245 _aDistance Education
260 _aNew Delhi
_bAPH Pub.
_c2014
300 _a354p.
700 _aV.K, Rao
901 _a267MED
942 _2ddc
_cBK
999 _c34103
_d34103