English as a global
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Sambrook, G.A.
English language
Longmans, Green, 1947
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Global english in the humanities? alongitudinal citation study of foreign-language use by humanities scholars Charlene Kellsey and Jennifer Knievel
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English this way English Language Services.
London Collier-Macmillan 1965,
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Burton, Samuel Holroyd
Mastering english language
Macmillan, 1992
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