Astutik, P., , P. D. E. F., & , D. A. S. (2016). Classroom Techniques Used In Vocabulary DevelopmentActivities In English Classroom: A Naturalistic Study AtMts Negeri Surakarta 2 In 2015/2016 Academic Year.
Čikaški stil citiranja (17. izdanje)Astutik, Puji, Prof. Dr. Endang Fauziati , i Dr. Anam Sutopo. Classroom Techniques Used In Vocabulary DevelopmentActivities In English Classroom: A Naturalistic Study AtMts Negeri Surakarta 2 In 2015/2016 Academic Year. 2016.
MLA način citiranja (9. izdanje)Astutik, Puji, et al. Classroom Techniques Used In Vocabulary DevelopmentActivities In English Classroom: A Naturalistic Study AtMts Negeri Surakarta 2 In 2015/2016 Academic Year. 2016.
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