High school students cooperating while learning from a book in the classroom.
Female students cooperating while learning in the classroom.
Rear view of schoolgirl writing during lecture in the classroom.
Happy teacher giving a lecture to high school students in the classroom.
Speaker at Business Meeting in the conference hall.
High school teacher giving lecture in front of interactive whiteboard in the classroom.
Speaker at Business Meeting in the conference hall.
business colleagues having conversatino during coffee break in conference hall
Speaker at Business Meeting in the conference hall.
Happy high school student writing during a class and looking at camera.
Happy mid adult student writing notes during a lecture and looking at camera.
Mature man e-learning on laptop during a lecture at university classroom.
Pencil over the paper on the table of workplace with Glass of waterin the seminar
portrait of smiling businessman with arms crossed standing in conference hall
Portrait of mid adult man during a class at the university looking at camera.
attractive, confident lecturer pointing with hand while standing on podium tribune
side view of attractive businesswoman standing during conference in conference hall
Conference seminar meeting room
Happy schoolgirl sitting in the classroom and looking at camera.
cropped view of woman in formal wear holding laptop during conference
microphone and antique telephone
Young attractive businessman showing presentation to his colleagues
Happy Muslim student talking to her classmates while learning together at college classroom.
Young woman wearing hijab while taking notes during a lecture at the university.
Happy high school student in the classroom looking at camera.
side view of businessman with notebook in conference hall
Empty Rostrum With Microphones
Happy boys standing together in the classroom at school and looking at camera.
partial view of business colleagues with coffee to go in conference hall
partial view of businesspoeple standing in conference hall
