@base . a , ; "Delta (Online)" . . a ; "2548-3994" ; . "Indonesia" . a ; . a ; "2303-3983" ; . a . a ; ; "20210207012700.0"^^ ; ; . a , , ; , , ; "Delta : jurnal ilmiah pendidikan matematika" ; ; ; ; "2548-3994" ; ; ; "2548-3994" ; ; "2548-3994" ; "Delta : jurnal ilmiah pendidikan matematika" , "Delta (Online)" ; ; "http://jurnal.unikal.ac.id/index.php/Delta" .