Gaya APA
2005111268, A, M. (2025).
the perceptions of english study program students of fkip universitas riau on the use of
duolingo in learning english vocabulary .
Pekanbaru:
Universitas Riau – FKIP – Bahasa Inggris.
Gaya MLA
2005111268, APRILISA, MUTIARA.
"the perceptions of english study program students of fkip universitas riau on the use of
duolingo in learning english vocabulary".
Pekanbaru:
Universitas Riau – FKIP – Bahasa Inggris,
2025.
CD Skripsi.