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