TY - BOOK AU - Clark, John L. D. AU - Swinton, Spencer S. TI - An exploration of speaking proficiency measures in the TOEFL context PB - Educational Testing Service PY - 1979 T2 - TOEFL research reports VL - report 4 EP - 69 p. UR - https://ci.nii.ac.jp/ncid/BA23411788 ER -

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