ID 109925677 © Terovesalainen | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
academy and app application black blackboard board book chalk chalkboard class classroom college color colorful computer device digital distance education electronic future homework internet knowledge laptop learn learning math mathematics method mobile modern online pen physics pile reader school science smart stack study studying table tablet teach technology tools university web