Dòng Nội dung
1
Extending writing skills in English : students book / Doug Case; John Milne.
London : Heinemann Educational Books, 1985.
76 p. : il. ; 24 cm.



2
Role play / Gillian Porter Ladousse.
Oxford ;New York : Oxford University Press, 1987
181 p. : ill. ; 25 cm.



3
Role play in language learning / Carol Livingstone.
Harlow : Longman, 1983
ix,94p. : ill. ; 22 cm.