TY - BOOK AU - Hummel,Kirsten M. TI - Introducing second language acquisition: perspectives and practices T2 - Linguistics in the world SN - 9780470658031 (hardback) AV - P118.2 .H86 2014 U1 - 401.93 HUM 23 PY - 2014/// CY - Malden, MA PB - Wiley-Blackwell KW - Second language acquisition N1 - Includes bibliographical references and index; First language acquisition -- Language learning contexts -- Theoretical perspectives: past and present -- Teaching approaches and instructional issues -- Second language development -- The age factor -- Individual differences -- Bilingualism -- Conclusion ER -