Investigation into the Effects of Two Extra Physical Education Lessons per Week during one School Year upon the Physical Development of 12- and 13-Year-Old Boys1
2015 ◽
pp. 159-166
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2021 ◽
Vol 7
(3)
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2020 ◽
Vol 65
(4)
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pp. 119-130
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2012 ◽
Vol 18
(2)
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pp. 245-257
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2018 ◽
Vol 1
(2)
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pp. 94
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2018 ◽
Vol 1
(12)
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pp. 299-301
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