Nisa, F., Fathoni, M., & Brata, A. (2024). A PROPERLY EVEN HARMONIOUS LABELING OF SOME WHEEL GRAPH W_n FOR n IS EVEN. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, 18(1), 0553-0564. https://doi.org/10.30598/barekengvol18iss1pp0553-0564