Safitri, R. (2014). INVESTIGATING THE USE OF PORTFOLIO ASSESSMENT IN ENGLISH CLASSROOMS.
Chicago Style (17. basım) AtıfSafitri, Rahmi. INVESTIGATING THE USE OF PORTFOLIO ASSESSMENT IN ENGLISH CLASSROOMS. 2014.
MLA (9th ed.) AtıfSafitri, Rahmi. INVESTIGATING THE USE OF PORTFOLIO ASSESSMENT IN ENGLISH CLASSROOMS. 2014.
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