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Second Language Unit Development - A case of young EFL learners-
(The 14th annual conference of the Japan Second Language Association 2014)
The effect of high token frequency and high type frequency on young second language learners' unit development-A longitudinal study
(Second Language Research Forum 2013)
Development of Young Japanese EFL Learners' Units of Language -A study based on Usage-Based model-
(JALT 全国語学教育学会 2011)