Ubaidillah, F. “FUNGSI SIMETRI TERHADAP TITIK (a; B ) DAN BEBERAPA SIFATNYA”. Pattimura Proceeding: Conference of Science and Technology, Vol. 2, no. 1, Apr. 2022, pp. 77-82, doi:10.30598/PattimuraSci.2021.KNMXX.77-82.