... conduct a study on the effectiveness of using YouTube videos as supplementary materials in enhancing students listening skills at the International Standard Program (ISP), University of Languages and ... utilization This study intends to investigate the impact of YouTube videos as supplementary materials to enhance listening skills of students at International Standard Program, University of Languages ... materials Basing on the idea that visual materials, in particular videos, are obligatory for effective language learning and teaching, educators have approached YouTube as a vast source of materials...