A retrospective view of a study of middle school science curriculum materials: Implementation, scale-up, and sustainability in a changing policy environment
2012 ◽
Vol 49
(3)
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pp. 305-332
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Keyword(s):
2014 ◽
Vol 47
(1)
◽
pp. 121-134
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Keyword(s):
Keyword(s):
2019 ◽
Vol 19
(18)
◽
pp. 1221-1242
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Keyword(s):
2008 ◽
Vol 40
(4)
◽
pp. S36