TY - BOOK AU - Brown,H.Douglas TI - Principles of language learning and teaching SN - 0137014910 (pbk.) : AV - P51 .B775 1987 U1 - 418/.007 19 PY - 1987/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Language and languages KW - Study and teaching KW - Language acquisition N1 - Includes index; Bibliography: p. 252-277 ER -