000
00275pas a2200097 454500
008
160820b1964 xxu||||| |||| 00| 0 eng d
022
_a
0951-0907
245
_a
PROGRAMMED LEARNING & EDUCATIONAL TECHNOLOGY
260
_a
LONDON
_b
ROUTLEDGE
_c
1964
906
_a
_b
_c
_d
Jan - Dec,2008
999
_c
472503
_d
472503