Working longer makes students stronger? The effects of ninth grade classroom hours on ninth grade student performance
2013 ◽
Vol 55
(2)
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pp. 180-194
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2015 ◽
Vol 176
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pp. 200-210
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2021 ◽
Vol 9
(12)
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pp. 221-237
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2012 ◽
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2019 ◽
Keyword(s):
2019 ◽
Vol 2
(2)
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pp. 131
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