TY - BOOK AU - AU - Long,Michael H. TI - An introduction to second language acquisition research SN - 0582553776 AV - P118.2 .L37 1991 U1 - 418 L318i 1991 22 PY - 1991/// CY - London, New York PB - Longman KW - Second language acquisition KW - Research N1 - Includes bibliographical references (p. [334]-393) and index; DELL ER -