Passing lecture notes to group mate
Confident teacher in grey suit explaining audience graphic data on whiteboard
Asian Speaker or lecture with casual suit on the stage in front of the room presenting
Asian Speaker or lecture with casual suit on the stage in front of the room presenting
Asian Speaker or lecture with casual suit on the stage in front of the room presenting
Presenting with microphone, African American man speaking to diverse audience in school hall
Closeup Asian Speaker or lecture with casual suit on the stage in front of the room presenting
Asian Speaker or lecture with casual suit giving speech in front of the room presenting
Portrait of two female college students with books smiling and standing at high school hall
Portrait of two female college students with books smiling and standing at high school hall
Portrait of two female college students with books smiling and standing at high school hall
Portrait of two female college students with books smiling and standing at high school hall
Multiracial happy group of students taking rest together
Pretty girl sitting on windowsill with laptop in university
Asian mature man presenting on stage floor beside blue seats in hall holding papers, copy space
Senior woman smiling with eyeglasses
Senior professor helping group of students
Empty conference
Teacher in lecture-room
Pensive teacher
classic microphone on Abstract blurred bright green background of conference hall or event. Public s
Business seminar
Student on chair
Strict teacher
Empty auditorium
Woman by chairs
Notebook on chair
Chairs in conference-hall
Teacher with notepad
Rows of chairs
