Team, S. (2020). Minimal and Maximal Ordered n-ideals in Ordered n-ary Semigroups: Anusorn Simuen, Pattarawan Petchkaew, Ronnason Chinram. Thai Journal of Mathematics, 117–125. Retrieved from https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/943