An old woman, the lecturer gestures hands when talking
business, education and strategy concept - businesswoman with microphone and charts on whiteboard talking to group of people at conference presentation
Experienced man in headphones participating in online negotiations at modern office
Lector talking about chemistry formula
business, education and strategy concept - smiling businessman with microphone and charts on whiteboard talking to group of people at conference presentation
business, education and strategy concept - businesswoman showing charts on whiteboard to group of people at conference presentation
Confident male coach lector recording educational video lecture.
Medical students or pharmacy lab workers in white coats. lector talking about chemistry formula
education, high school, university, teaching and people concept - group of students and teacher
View from behind of a large mixed ethnicity group of people in a classroom, listening as their lector holds a lecture. Stock. People puts up
Group Of Students Girls In Classroom At The University Are making Notes on Paper
Young students in white coats in chemistry lab listening to the lecturer. Pharmacy classes concept. Footage with copy space.
Medical concept: Confident doctor explains internal organ structure and heart disease factors
An old woman, the lecturer gestures hands when talking
An old woman, the lecturer gestures hands when talking
An old elegant Woman Lektor shows Diagram for students
Medical students or pharmacy lab workers in white coats. African American man writing over chalkboard while lector is standing aside. Other people sitting and listening
renewable energy, business and power concept - smiling businessman with microphone and charts on whiteboard talking to group of people at conference presentation
Experienced lector takes part at online teaching conference
Couple listening carefully a talk about politics and finance. Media. Young man and woman listening to the speech of a lector about marketing
