FIRDAUS UBAIDILLAH; KOSALA DWIDJA PURNOMO; BAGUS JULIANTO. Fungsi Simetri pada Koordinat Kutub dan Karakteristiknya. Prosiding SESIOMADIKA, [S. l.], v. 6, n. 1, p. 159–167, 2026. Disponível em: https://fkipunsika.id/index.php/sesiomadika/article/view/13643. Acesso em: 5 sep. 2026.