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 LEVEL AND SOURCES OF SELF-EFFICACY IN SPEAKING SKILLS OF ACADEMIC YEAR 2012/2013 ENGLISH DEPARTMENT STUDENTS FACULTY OF LETTERS, JEMBER UNIVERSITY (TINGKATAN DAN SUMBER EFIKASI DIRI DALAM KEMAMPUAN BERBAHASA INGGRIS MAHASISWA SASTRA INGGRIS ANGKATAN 2012/.
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ISSN 2338-9923.
Available at: &lt;<a href="https://jurnal.unej.ac.id/index.php/PB/article/view/1537" target="_new">https://jurnal.unej.ac.id/index.php/PB/article/view/1537</a>&gt;. Date accessed: 08 nov. 2024.