Insegnante di sesso femminile seduta alla scrivania del computer e con mal di testa in classe - Foto e immagini stock

Sad serious and concerned school girl. High school student learning english or mathematics in class

Portrait of sad serious and angry female university student study lesson at school or university

Portrait of teacher at school with computer laptop in classroom on blackboard

Teacher in classroom at university or college. Female student on board with computer laptop. Lesson seminar skills

Concentrated attractive teacher. Portrait of smart young woman in glasses with book on the blackboard in class at high school or collage. Female student study in university

Concentrated college teacher on the chalkboard. Young caucasian female teacher portrait with blackboard background

Tired female teacher with eyes closed sitting at computer desk in classroom

Portrait of tired businesswoman looking away at workplace with laptop in office

Exhausted attractive businesswoman sitting near laptop in office

Tired student girl preparing for exam at library and holding head with hands

Selective focus of tired businesswoman in glasses looking at laptop near glass of water

Concentrated male teacher in glasses using laptop at desk in classroom

Selective focus of tired operator in headset having headache

Exhausted pretty businesswoman sitting at work desk and holding hand near face

Stressed businesswoman in glasses using laptop near notebook on table

Thoughtfully concentrated businesswoman using laptop and propping up head with hand