SULISTIYANI, Sulistiyani; HIDAYAT, Nur; SA’AADAH, Nuurus. Online Video Effect as a Learning Media in Improving Speaking Ability English Class X Students of Hang Tuah 4 High School Surabaya Study Year 2017/2018. Kontribusia : Research Dissemination for Community Development, [S. l.], v. 1, n. 2, p. 1–8, 2018. DOI: 10.30587/kontribusia.v1i2.615. Disponível em: https://journal.umg.ac.id/index.php/kontribusia/article/view/615. Acesso em: 7 jun. 2025.