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. J [Internet]. 2022Jan.1 [cited 2024May3];18(2):161-8. Available from: https://journal.unhas.ac.id/index.php/jmsk/article/view/14501