APA Style

Febryanza, A, T., Shalawati, . (2025). Difficulties In Pronouncing English Vowels By The Fifth Semester Students At The English Language Education Of Universitas Islam Riau . Pendidikan Bahasa Inggris: Universitas Islam Riau.

MLA Style

Febryanza, Adhtiya, Trivan., Shalawati, . "Difficulties In Pronouncing English Vowels By The Fifth Semester Students At The English Language Education Of Universitas Islam Riau". Pendidikan Bahasa Inggris: Universitas Islam Riau, 2025. Art Original.