Khetchatturat, C., Leerawat, U., & Siricharuanun, P. (2024). Powers of Some Special Upper Triangular Matrices: Annual Meeting in Mathematics 2023. Thai Journal of Mathematics, 22(1), 111–118. Retrieved from https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1618