Leeratanavalee S, Daengsaen J. Green’s Relations on Regular Elements of Semigroup of Relational Hypersubstitutions for Algebraic Systems of Type ((m), (n)). Tamkang J. Math. [Internet]. 2022 May 1 [cited 2025 May 9];53(2):127-46. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3436