1. M. Al-Tahan and B. Davvaz, Generalized Cayley graphs over hypergroups and
their graph product, Submitted.
2. F. Arabpur, M. Jafarpour, M. Aminizadeh, and S. Hosková-Mayerová, On geometric
polygroups, An. St. Univ. Ovidius Constanta, 28(1) (2020), 17–33.
3. J. A. Bondy and U. S. R. Murthy, Graph Theory with Applications, Macmillan
Press Ltd, 1976.
4. A. Cayley, On the theory of groups, Proc. London Math. Soc., 9 (1878), 126–233.
5. P. Corsini, Prolegomena of Hypergroup Theory, Udine, Tricesimo, Italy, Second
edition, Aviani editore, 1993.
6. P. Corsini and V. Leoreanu, Applications of Hyperstructures Theory, Advances
in Mathematics, Kluwer Academic Publisher, 2003.
7. B. Davvaz, Polygroup Theory and Related Systems, World Scientific Publishing
Co. Pte. Ltd., Hackensack, NJ, 2013.
8. B. Davvaz and V. Leoreanu-Fotea, Hyperring Theory and Applications, International
Academic Press, USA, 2007.
9. D. Heidari, M. Amooshahi and B. Davvaz, Generalized Cayley graphs over polygroups,
Comm. Algebra, 47(5) (2019), 2209–2219.
10. D. Heidari and B. Davvaz, Graph product of generalized Cayley graphs over
polygroups, Alg. Struc. Appl., 6(1) (2019), 47–54.
11. C. Loh, Geometric Group Theory: An Introduction, Springer International
Publishing AG, 2018.
12. F. Marty, Sur une generalization de la notion de groupe, 8th Congress Math.
Scandinaves, Stockholm (1934), 45–49.
13. T. Vougiouklis, Hyperstructures and Their Representations, Hadronic Press,
Inc., USA, 1994.