How specific is second language-learning ability? A twin study exploring the contributions of first language achievement and intelligence to second language achievement
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1989 ◽
Vol 10
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pp. 145-162
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2000 ◽
Vol 4
(3)
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pp. 251-274
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2014 ◽
Vol 7
(4)
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pp. 57
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1993 ◽
Vol 16
(1)
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pp. 71-82
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1993 ◽
Vol 15
(1)
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pp. 35-48
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