line open science book icon isolated grey background colorful outline concept vector |
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| navigate by keyword : book education science literature library vector icon open symbol illustration isolated color colorful line linear contour outline art lineart speech bubble button black textbook knowledge learning page paper flat sign text publish read design shape magazine dictionary element school study encyclopedia bookstore simple studying pictogram information novel document university silhouette |
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| Line Open science book icon isolated on grey background. Colorful outline concept. Vector. |
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