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Writer : Nowruzi، Mehdi ؛ Morshedian، Mahboubeh ؛
Journal:متن پژوهی ادبی»تابستان 1386 - شماره 32 Ranking Scientific-Progrative (Ministry of Science/ISC (30 page(s) - From 99 to 128 )
Keywords:Language ProficiencyReceptive vocabularyProductive vocabularylanguage attritionlanguage retention