6Lentell,H.M.(1994) Why is so hard the tutor in distance education? Open Learning,9(3) : 49-52.
7Nunan,T.,George,R.& McCausland,H.(2000) Rethinking the way in which teaching and learning are supported: the flexible learning center at the University of South Australia,Journal of Higher Education Policy and Management,22(1) :85-98.
8Rumble,G.(2000) Student support in distance education in the 21st century: learning from service management,Distance Education,21 (2) :216-35.
9Tait,A.(2000) planning student support for open and distance learning,Open Learning,15 (3) :287-99.
10Tait,A.& Mills,R.(2003) Rethinking Learner Support in Distance Education-Change and continuity in an international context,pp.56-63,RoutledgeFamler: London.
