Sutardji, N. A., L. Susilowati, and U. D. Purwati. “Dimensi Metrik Kuat Lokal Graf Hasil Operasi Kali Kartesian”. Contemporary Mathematics and Applications (ConMathA), vol. 1, no. 2, Jan. 2020, pp. 64-73, doi:10.20473/conmatha.v1i2.17383.