Sesa J, Siswanto S. Determination of Fractional Chromatic Numbers in the Operation of Adding Two Different Graphs: Penentuan Bilangan Kromatik Fraksional pada Operasi Penjumlahan Dua Graf berbeda. JMSK [Internet]. 2022Jan.1 [cited 2025Apr.6];18(2):161-8. Available from: http://334012.libg.asia/index.php/jmsk/article/view/14501