Pembimbing: Priyanto, S. K. (2015). IMPROVING VOCABULARY MASTERY THROUGH PEER ASSISTANCE MODEL OF THE FIRST GRADE STUDENTS AT SMA KATOLIK SANG TIMUR YOGYAKARTA IN ACADEMIC YEAR 2013/2014. Prodi Bahasa Inggris, FKIP, UST.
Chicago Style (17th ed.) CitationPembimbing: Priyanto, Slamet,Pembimbing: Kristanto,KRESNANINGSIH. IMPROVING VOCABULARY MASTERY THROUGH PEER ASSISTANCE MODEL OF THE FIRST GRADE STUDENTS AT SMA KATOLIK SANG TIMUR YOGYAKARTA IN ACADEMIC YEAR 2013/2014. Prodi Bahasa Inggris, FKIP, UST, 2015.
MLA (8th ed.) CitationPembimbing: Priyanto, Slamet,Pembimbing: Kristanto,KRESNANINGSIH. IMPROVING VOCABULARY MASTERY THROUGH PEER ASSISTANCE MODEL OF THE FIRST GRADE STUDENTS AT SMA KATOLIK SANG TIMUR YOGYAKARTA IN ACADEMIC YEAR 2013/2014. Prodi Bahasa Inggris, FKIP, UST, 2015.