Research methods in language learning /

• Main Author: Numan, David (συγγραφέας.)
• Other Authors: Nunan, D.
• Format: Book
• Language: English
• Published: Cambridge : Cambridge University Press, 1992.
• Series: Cambridge language teaching library (Cambridge University Press)
• Subjects: Γλώσσα και γλώσσες > Μελέτη και διδασκαλία.