Sharpe, Pamela J.
How to prepare for the TOEFL (Test Of English as a Foreign Language)
Barron's, 2001
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Koneru, Aruna
English language skills
Tata McGraw-Hill, 2011
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Burton, Samuel Holroyd
Mastering english language
Macmillan, 1992
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Greenbaum, Sidney
A students grammar of the English language
Longman , 1990
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Parrot, Martin
Grammar for English language teachers
Cambridge University Press, 2003
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