Positivo insegnante maturo in possesso di quaderno vicino agli studenti offuscati in auditorium universitario - Foto e immagini stock

Smiling teacher holding notebook and looking at camera near blurred multiethnic students in university

Middle aged professor holding notebook near interracial students in university

Mature teacher holding notebook near blurred interracial students in university

Smiling teacher holding chalk near african american students in university

African american student looking at camera near blurred friends and teacher in university

Interracial students with devices and coffee to go looking at blurred teacher in university

Teacher with chalk talking near multiethnic students and devices in university

African american student looking at notebook near blurred friends and teacher in university

Mature teacher pointing at laptop near asian student in university

Low angle view of smiling asian student with smartphone and notebook looking at camera near blurred friends and teacher in university

Thoughtful middle aged businessman in eyeglasses looking at documents outdoors

Positive teacher showing okay signs near teenage pupils

Bearded senior man in eyeglasses reading book at home, banner

Bearded senior man in eyeglasses standing with laptop while looking at papers at home

Senior businessman with beard in eyeglasses standing with folder while talking on smartphone

Cheerful schoolgirl writing on notebook near laptop and teacher during lesson

Bearded senior man in eyeglasses holding folder and looking at laptop on desk

Tattooed middle aged teacher in glasses smiling and holding book on blue