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Journal Article Modelling the Relationships among Interlanguage Pragmatic Development, L2 Proficiency, and Exposure to L2 Get access Shoichi Matsumura Shoichi Matsumura Search for other works by this author on: Oxford Academic Google Scholar Applied Linguistics, Volume 24, Issue 4, December 2003, Pages 465–491, https://doi.org/10.1093/applin/24.4.465 Published: 01 December 2003
Shoichi Matsumura (2003) studied this question.