APA Style

Delvanny, T. (2023). The Effect Of Using Duolingo Application To Increase Student's Vocabulary At The Seventh Grade Of Smpn 4 Siak Hulu . Pekanbaru: Universitas Islam Riau.

MLA Style

Delvanny, Tia. "The Effect Of Using Duolingo Application To Increase Student's Vocabulary At The Seventh Grade Of Smpn 4 Siak Hulu". Pekanbaru: Universitas Islam Riau, 2023. Text.