Donna ridente che indica qualcosa mentre presenta sul bordo - Foto e immagini stock

Smiling student writing on blackboard in a close up portrait

Young woman standing in profile writing with chalk on a blackboard in a classroom

Smiling female teacher holding a chalk and writing on the blackboard

Close up gesture of smiling female teaching inside the class room

Female student leaning on chalkboard and looking up

Young smiling woman looking up on chalkboard

School teacher near blackboard in classroom

Blond female writing on the green board in a close up shot

Smiling student holding a chalkboard in front of blackboard

Close up portrait of happy female student writing on the blackboard

Portrait of confident female student smiling against chalkboard

Female teacher writing on blank chalkboard in a close up side view with copy space

Portrait of instructor writing on the green board

Beautiful young blond woman with a friendly smile standing sideways in front of a blank green blackboard holding out her empty palm for your product placement for marketing

Smiling confident female teacher with a tablet-pc held in her hands standing in front of the blackboard

Young teacher showing something in front of blackboard

Portrait of a blonde young woman writing on chalkboard

Young beautiful teacher holding a chalk and writing on the blackboard