RIYANTO SETIANA, DEVIKA (2023) THE EFFECTIVENESS OF VIDEO THE EFFECTIVENESS OF VIDEO VLOGGING AS MEDIA LOGGING AS MEDIA TO IMPROVE STUDENTS TO IMPROVE STUDENTS’ SPEAKING SKILLS SPEAKING SKILLS th (A Case of the 1 (A Case of the 11 Graders of SMA Islam Sultan Agung 1 S 1 Semarang). Undergraduate thesis, Universitas Islam Sultan Agung Semarang.