000
00291nam a2200109Ia 4500
008
170707s9999 xx 000 0 und d
050
_a
371.102 C613
100
_a
"Cooper, James M."
245
3
_a
An educator's guide to differentiating instruction
260
_c
2006
942
_2
lcc
_c
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_k
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999
_c
13629
_d
13629