Γυμνάσιο φοιτητές που συμμετέχουν σε ομάδα συζήτησης - Πλάνα & Βίντεο Αρχείου

Lecturer speaks to students at a lecture on economics.Male hand gestures and displays the image from the projector. Students listen attentively speaker.

Young novice team of experts think through the business plan. Teamwork of business services makes up constructive cooperation and the adoption of a unified command and coordination of its solutions

Front view of a teenage African American high school girl standing with a male Caucasian school teacher, the girl presenting to multi-ethnic group of teenagers in a school classroom sitting at desks and listening, in slow motion

Male Tutor Teaching University Students In Classroom

Portrait of cheerful attractive businessman in a creative business meeting with the rest of his team. In slow motion.

Male Tutor Teaching University Students In Classroom

High School Students Collaborating On Project In Classroom

High School Students Collaborating On Project In Classroom

Female Asian teacher with tablet takes adult education class

Female high school teacher in classroom talking to pupils sitting around table video

Female high school teacher in classroom talking to pupils sitting around table video