000 00339nam a22001097a 4500
020 _a97897808559184
245 _aGlobal Perspectives in Open and Distance learnng
_bGlobal Perspective in Open and Distance learning
264 _bNational Open University of Nigeria
_c2010
300 _axxiii, 471 p.
650 0 _aeducation
942 _2lcc
_cBK
999 _c12730
_d12730