000
00252nam a2200097 4500
999
_c
58103
_d
58103
082
_a
374.4
_b
RAJ/Q
245
_a
Quality assurance in distance education
260
_a
Allahabad
_b
U P Rajarshi Tandon open university
_c
2005
300
_a
308 p.
942
_c
BK