Icon pack of Study stationery and Office stationery which desinged simply with white color and bluebackground. More resources at vexagrafi.com<br/>學習和辦公文具<br/>ballpoint、books、eraser、icon pack、icons、office、pencil、ruler、stationery、Study<br/>圓珠筆、圖書、橡皮、圖標包、圖標、辦公室、鉛筆、統治者、文具、研究<br/>資料來源：openclipart ( https://openclipart.org/ )