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		  Boyle, Mike. Skillful listening & speaking : level 3 : Student's book / Mike Boyle & Ellen Kisslinger .  London : Macmillan Education, 2013
		  
		  		  
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		  Clandfield, Lindsay. Global Upper-Intermediate : Course Book / Lindsay Clandfield, Rebecca Robb and Amanda Jeffries.  London : Macmillan Education, 2011
		  
		  		  
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		  Harmer, Jeremy. The practice of English language teaching / Jeremy Harme. 5th ed., 3th imp. Harlow : Pearson, 2017
		  
		  		  
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		  Kisslinger, Ellen. Skillful 3. Listening & Speaking : Student's book pack / authors, Ellen Kisslinger and Lida Baker ; series consultant, Dorothy E. Zemach . 2nd ed. London : Macmillan Education, 2018
		  
		  		  
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		  Kisslinger, Ellen. Skillful 3. Reading & Writing : Student's book pack / authors, Louis Rogers & Dorothy E. Zemach ; series consultant, Dorothy E. Zemach . 2nd ed. London : Macmillan Education, 2018
		  
		  		  
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		  Redman, Stuart. English vocabulary in use : pre-intermediate and intermediate / Stuart Redman . 4th ed. Cambridge : Cambridge University Press, 2017
		  
		  		  
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		  Rogers, Mickey. Open Mind : Student's Book : Level 3 / Michey Rogers, Joanne Taylore-Knowles and Steve Taylore-Knowles. (British Edition). 2nd Edition. London : Mcmillan, 2014
		  
		  		  
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		  Seligson, Paul. English ID. Student's book 3 / Paul Seligson, Luiz Otávio Barros .  [Tres Cantos, Madrid] : Richmond, D. L. 2015
		  
		  		  
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		  VINCE, M. Intermediate language practice : English Grammar and vocabulary. With key. New ed. [s. l.]: Macmillan Heinemann, 2010. ISBN 9780230727014.
		  
		  		  
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		  Wisniewska, Ingrid. Open mind : intermediate workbook  Ingrid Wisniewska, Dorothy E. Zemach ; concept development, Mariela Gil Vierma .  London : Macmillan, 2014
		  
		  		  
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		  Hancock, Mark. English pronunciation in use : self-study and classroom use. Intermediate / Mark Hancock . 2nd ed., reprint. Cambridge : Cambridge University Press, 2012
		  
		  		  
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