Preliminary study development of student books research based learning to improve student competency in middle school science learning
2020 ◽
Vol 1481
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pp. 012089
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2005 ◽
Vol 25
(1)
◽
pp. 73-84
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1998 ◽
Vol 4
(4)
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pp. 333-340
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2001 ◽
Vol 7
(4)
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pp. 15
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2018 ◽
Vol 8
(4)
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pp. 137-143
2017 ◽
Vol 17
(19)
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pp. 285-309
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