ISSN: 2985-2145
Monthira Duangsaphon
<p>Department of Mathematics and Statistics, Faculty of Science and Technology, Thammasat University, Rangsit Campus,<br />Pathum Thani</p>
Thailand
Paweekon Mingchue
<p>Department of Mathematics and Statistics, Faculty of Science and Technology, Thammasat University, Rangsit Campus,<br />Pathum Thani</p>
Thailand
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