1.
図書 |
1. The age factor in second language acquisition : a critical look at the critical period hypothesis
edited by David Singleton and Zsolt Lengyel
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2.
雑誌 |
American Association for Applied Linguistics ; International Association of Applied Linguistics ; British Association for Applied Linguistics
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3.
図書 |
edited by Rafael Salaberry, Yasuhiro Shirai
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4.
図書 |
edited by Thom Huebner, Kathryn A. Davis ; with assistance from Joseph Lo Bianco
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