TY - BOOK AU - Hummel,Kirsten M. TI - Introducing second language acquisition: perspectives and practices T2 - Linguistics in the world SN - 9780470658031 AV - P118.2 .H86 2014 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 -