000
00279nam a2200121Ia 4500
100
_a
Wright, Tony
020
_a
0-19-442133-3
942
_c
BK
245
_a
Roles of tearchers and learners
260
_a
Oxford university, Oxford
_c
1987
082
_a
371.1 Wri
300
_a
xi; 164
999
_c
33568
_d
33568