?url_ver=Z39.88-2004&rft_id=10.1109%2FICCOINS49721.2021.9497228&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=M.D.&rft.au=Kurniasih%2C+M.D.&rft.aulast=Kurniasih&rft.isbn=9781728171517&rft.date=2021&rft.title=The+Effect+of+Character-Based+Teaching+Flipbook+Media+on+the+Results+of+Calculus+Learning&rft.genre=proceeding