AVOIDING PLAGIARISM IN SCIENTIFIC ARTICLES

ALLEN, Harold B., CAMPBELL, Russell N. Teaching English as a Second Language: A Book of Readings. 2d ed. New York: McGraw-Hill International, 1972. ISBN 0-07-001071-4.

2.. BILLOWS, Frederic Lionel. The techniques of language teaching. London: Longmans, 1961. 4. BROWN, Douglas. Teaching by Principles: An Interactive Approach to Language Pedagogy. New York: Longman, 2001. ISBN 0130282839.

3. BROWN, H. Douglas. Teaching by Principles: An Interactive Approach to Language Pedagogy. New York: Longman/ Pearson Education, 2001. ISBN 0-13-017816-0.

4. CELCE-MURCIA, Marianne ed. Teaching English as a second or foreign language. 3rd ed, Boston: Heinle & Heinle, 2001. ISBN 0-8384-1992-5.