Sulistiyani, Sulistiyani, 		Hidayat, Nur, AND 		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" <em>Kontribusia : Research Dissemination for Community Development</em> [Online], Volume 1 Number 2 (15 October 2018)