Trisna, Fanda Sintiya and Gusti Nur Hafifah, , M.Pd. and Vega Hesmatantya, , S.Pd,M.Pd. (2017) THE EFFECTIVENESS OF VLOG IN INCREASING STUDENT’S SPEAKING PERFORMANCE FOR TENTH GRADE STUDENTS OF SCIENCE CLASS IN SMA GEMA 45 SURABAYA. Other thesis, Universitas Muhammadiyah Surabaya.