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	1.	No cover image available No cover image available No cover image available Bilingualism as a world problem /Le bilinguisme phenomene mondial by Mackey, William Francis Material type: Text; Format: print ; Literary form: Not fiction Publication details: Montreal ; Harvest House ; 1967 Availability: No items available. Add to cart (remove)
	2.	No cover image available No cover image available No cover image available Language teaching analysis: the 1966 edition by Mackey, William Francis [Author] Material type: Text; Format: print ; Literary form: Not fiction Publication details: London : Longmans, 1966 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: Social Sciences Collection P51.M3. Items available for reference: Directorate of Library Services (UDSM): Not for loan (1)Collection, call number: Social Sciences Collection P51.M3. Place hold Add to cart (remove)
	3.	No cover image available No cover image available No cover image available Language teaching analysis : the 1969 edition by Mackey, William Francis [Author] Material type: Text; Format: print ; Literary form: Not fiction Publication details: London : Longmans, 1969 Availability: Items available for loan: Directorate of Library Services (UDSM) (1)Collection, call number: TUKI-Taasisi ya ukuzaji wa kiswahili IKR P51.M3. Place hold Add to cart (remove)
	4.	No cover image available No cover image available No cover image available Bilingual education in a binational school; a study of equal language maintenance through free alternation by Mackey, William Francis ill Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rowley ; Newbury House Publishers ; 1972 Availability: No items available. Add to cart (remove)