Vista parcial de la mujer con lápiz explicando la lección a la estudiante - Foto e imagen de stock

Worried multiethnic students sitting at table and looking at sad brunette girl

Students are studying in library. Young people are spending time together. Young handsome man fell asleep while working in library.

Schoolchildren laughing while bullying sad girl on foreground

Partial view of woman with pencil explaining lesson to student

Young pensive asian student boy in classroom with friends

Tired businessman with closed eyes near laptop and notebook at table in office

Male student sleeping at table in library

Handsome student studying with copybook and laptop

Handsome male student in eyeglasses writing in copybook

Tired student touching nose bridge while working with laptop in library

Bored multicultural students sitting at table with books

Exhausted businessman with closed eyes touching head while sitting near laptop and coffee to go

Businessman with glass of water suffering from migraine at table in office