@base . a , ; "Journal on Mathematics Education" . a ; . a ; ; "20170624172800.0"^^ ; ; . a , , ; , , ; "Journal on Mathematics Education" ; ; ; ; "2087-8885" ; ; ; "2087-8885" ; ; "2087-8885" ; "Journal on Mathematics Education" ; . "Indonesia" . . a ; "2087-8885" ; . a ; "2087-8885" ; . a .