Daud, Afrianto, Ando Fahda Aulia, Novitri Novitri, Mirza Hardian, and Nita Rimayanti. “Peningkatan Kemampuan Berbahasa Inggris Pemuda Riau Melalui IELTS Preparation Workshop”. Unri Conference Series: Community Engagement 4 (December 31, 2022): 17-26. Accessed January 26, 2025. http://conference.unri.ac.id/index.php/unricsce/article/view/347.