@incollection{,
	
					
					
					C9D38F72B7CECED9167DBDF51F9FF745
				,
	author={{Dr. YanWu} and {Hebei United University}},
	journal={{Global Journal of Human Social Sciences}},
	journal={{GJHSS}}2249-460X0975-587X10.34257/GJHSS,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}121014
}

@book{b0,
	
	
		,
	title={{Principles of language learning and teaching (4 th}}
		,
	author={{
			HDBrown
		}}
		
			,
	year={2000}
			,
	publisher={Longman}
			,
	address={New York}
		
	

}

@book{b1,
	
	
		,
	title={{Second language learning and language teaching}}
		,
	author={{
			VCook
		}}
		
			,
	year={2000}
			,
	publisher={Foreign Language Teaching and Research Press}
			,
	address={Beijing}
		
	

}

@book{b2,
	
	
		,
	title={{The role of materials in the language classroom: Finding the balance}}
		,
	author={{
			JCrawford
		}}
		,
	editor={J. C}
		
			,
	year={2002}
		
	

}

@book{b3,
	
	
		,
	title={{Methodology in language teaching: An anthology of current practice}}
				,
	editor={
			&W ARichards
			Renandya
		}
		Cambridge
		
			,
	publisher={Cambridge University Press}
		
	

}

@book{b4,
	
	
		,
	title={{Learning Language: An introduction for teaching}}
		,
	author={{
			MEmmitt
		} and {
			JPollock
		}}
		
		
			,
	year={1997}
			,
	publisher={Oxford University Press}
			,
	address={Melbourne}
		
	

}

@incollection{b5,
	
	
		,
	title={{Implementing cooperative learning}}
		,
	author={{
			GMJacobs
		} and {
			SHall
		}}
		
	
	
		,
	booktitle={{Methodology in language teaching: An anthology of current practice}}
				,
	editor={
			JC ARichards & W
			Renandya
		}
		Cambridge
		
			,
	publisher={Cambridge University Press}
			,
	year={2002}
		
	

}

@incollection{b6,
	
	
		,
	title={{Second language acquisition. Cambridge}}
		,
	author={{
			WKlein
		}}
	
	
		,
	journal={{C.U.P. Part}}
		
			1
			,
	year={1986}
		
	

}

@incollection{b7,
	
	
		,
	title={{Recontextualizing Vygotsky}}
		,
	author={{
			BLee
		}}
	
	
		,
	booktitle={{M}}
				
			,
	year={1987}
		
	

}

@book{b8,
	
	
		,
	title={{Social and functional approaches to language and thought}}
		,
	author={{
			Hickman
		}}
		
			,
	publisher={Academic Press. Chapter}
			,
	address={New York}
		
	

}

@book{b9,
	
	
		,
	title={{How languages are learned (2 nd}}
		,
	author={{
			PLightbown
		} and {
			NSpada
		}}
		
		
			,
	year={1999}
			,
	publisher={Oxford University Press}
			,
	address={Oxford}
		
	

}

@book{b10,
	
	
		,
	title={{Discourse analysis for language teachers}}
		,
	author={{
			MMccarthy
		}}
		
			,
	year={2002}
			,
	publisher={Shanghai Foreign Language Education Press}
			,
	address={Shanghai}
		
	

}

@book{b11,
	
	
		,
	title={{Beyond methods}}
		,
	author={{
			JCRichards
		}}
		,
	editor={C. N.}
		
			,
	year={2001}
		
	

}

@book{b12,
	
	
		,
	title={{English language teaching in its social context}}
		,
	editor={Candlin & N. Mercer}
		
			,
	publisher={Routledge}
			,
	address={London}
		
	

}

@book{b13,
	
	
		,
	title={{Constraints and resources in classroom talk: Issues of equality and symmetry}}
		,
	author={{
			LVan Lier
		}}
		,
	editor={C. N. Candlin & N. Mercer}
		
			,
	year={2001}
			,
	publisher={Routledge}
			,
	address={London}
		
	
	,
	note={English language teaching in its social context}

}