Pramitha Shafika Wicaksono, Y. D. Sumanto, and Bambang Irawanto. “B-Algebras Which Generated by $\mathbb{Z}_{n}$ Group”. International Journal of Mathematics And Its Applications, vol. 9, no. 3, Sept. 2021, pp. 151-60, http://ijmaa.in/index.php/ijmaa/article/view/55.