TY - BOOK AU - Freeman, D. L. - TI - Techniques & principles in language teaching - sách photo SN - 019434133X U1 - 418.007 PY - 1986/// CY - New York, N.Y., USA PB - Pearson Education KW - English language KW - Study and teaching KW - Foreign speakers N1 - 003094; L 244 ER -