@base . a ; . . a , , ; , , ; "Journal of Mathematics." ; ; ; ; "2722-2705" ; ; ; "2722-2705" ; ; "2722-2705" ; "Journal of Mathematics." , "Journal of Mathematics (FMIPA Universitas Sulawesi Barat, Online)" ; ; "http://ojs.unsulbar.ac.id/index.php/Mathematics" . a , ; "Journal of Mathematics (FMIPA Universitas Sulawesi Barat, Online)" . "Indonesia" . a ; "2685-9653" ; . a . a ; ; "20210206233100.0"^^ ; ; . a ; "2722-2705" ; .