2022 9th NAFOSTED Conference on Information and Computer Science (NICS) Information and Computer Science (NICS), 2022 9th NAFOSTED Conference on. :93-98 Oct, 2022
Bulletin of the Brazilian Mathematical Society. New Series. Boletim da Sociedade Brasileira de Matemática (Bull. Braz. Math. Soc. (N.S.)) (20240101), 55, no.~3, Paper No 29, 26~pp. ISSN: 1678-7544 (print).eISSN: 1678-7714.
Journal of Computational and Applied Mathematics (J. Comput. Appl. Math.) (20240101), 450, Paper No 116000, 17~pp. ISSN: 0377-0427 (print).eISSN: 1879-1778.