THE EFFECT OF USING DUOLINGO ON ENGLISH VOCABULARY MASTERY AMONG NINTH GRADE STUDENTS AT SMP 16 MEDAN

DOSEN PEMBIMBING KRESNA NINGSIH MANIK, S.S., M.HUM.
MAHASISWA EKA PUTRI BR TARIGAN
ABSTRAK _ABSTRAC1.pdf
DAFTAR ISI _TABLE_OF_CONTENTS.pdf
BAB 1 _CHAPTER_I.pdf