000
00320nam a2200121Ia 4500
100
_a
Johnson, Keith (ed) & Porter, Don (ed)
020
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0-12-387580-3
942
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BK
245
_a
Perspectives in communicative language teaching
260
_a
Academic press, London
_c
1983
082
_a
407 Joh/Por
300
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xii,231
999
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20487
_d
20487