ISSN: 2985-2145
Pannarat Guayjarernpanishk
Faculty of Interdisciplinary Studies, Nong Khai Campus, Khon Kaen University, Nong Khai
Thailand
Prapawan Senapeng
Department of Mathematics, Faculty of Science, Mahasarakham University, Maha Sarakham
Thailand
Piyapatr Busababodhin
Department of Mathematics, Faculty of Science, Mahasarakham University, Maha Sarakham
Thailand
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