TY - BOOK AU - Brown,H.Douglas TI - Principles of Language Learning and Teaching SN - 0137014910 (pbk.) : U1 - 418.007 22 PY - 1987/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall, Inc., KW - Language and languages KW - Study and teaching KW - Language acquisition N1 - Includes bibliographical references (p. 252-277) and index ER -