Hermosa estudiante morena con libro sentado en la mesa y sosteniendo el lápiz - Foto e imagen de stock

Cheerful adult sitting at home on the floor and looking into the distance. Laptop and documents in front of him

Laughing hispanic computer science student with braces at desk at home

Concentrated student sitting at desk and reading book in classroom

Thoughtful businessman with smartphone and pencil near notebook at table

Thoughtful businessman with notebook, pencil and calculator looking away in office

Selective focus of businessman with clenched hands looking at camera and smiling at table

Businessman smiling, looking away and talking on smartphone at table in office

Selective focus of businessman writing in notebook at table in office

Smiling mixed race young man in glasses holding book and looking at camera

Selective focus of serious, handsome businessman in eyeglasses looking away while holding document

High angle view of businessman looking away and holding paper in office

Student reading book and making notes in library

Arabian businessman recording voice message and writing on notebook in office

Handsome young businessman leaning back at workplace and looking at camera

Two smiling students holding notebooks and looking at camera

Serious young businessman in eyeglasses holding notepad and looking at camera in office