Team, S. (2011). Hyperidentities in (x(yz))z with Loop Graph Varieties of Type (2,0): Mittree Krapeedang, Tiang Poomsa-ard. Thai Journal of Mathematics, 9(2), 237–248. Retrieved from https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/260