[1] A. Ali, M. Khan and F. Shi, Hesitant fuzzy ideals in Abel-Grassmann’s groupoid, Ital. J. Pure Appl. Math., 17 (2015), 537-556.
[2] S. Anis, M. Khan and Y. B. Jun, Hybrid ideals in semigroups, Cogent Math., (1) 4 (2017), 1352117.
[3] J. Catherine Grace John, M. Deepika and B. Elavarasan, Hybrid interior ideals and hybrid bi-ideals in ternary semigroups, J. Intell. Fuzzy Syst., (6) 45 (2023), 10865-10872.
[4] M. Deepika, B. Elavarasan and J. John, Hybrid quasi-ideals and hybrid A-ideals in ternary semigroups, Songklanakarin Journal of Science and Technology, (1) 46 (2024).
[5] B. Elavarasan, G. Muhiuddin, K. Porselvi and Y.B. Jun, Hybrid generalized bi-ideals in semigroups, Int. J. Math. Comput. Sci., (3) 14 (2019), 601-612.
[6] T. E. Hall, On regular semigroups, J. algebra., (1) 24 (1973), 1-24.
[7] J. Howie, Fundamentals of semigroup theory, London Mathematical Society Monographs, Oxford Science Publications, The Clarendon Press, Oxford University Press, New York, 12 (1995).
[8] Y. B. Jun , S. Z. Sang and G. Muhiuddin, Hybrid structures and applications, Annals of Communications in Mathematics, (1) 1 (2018), 11-25.
[9] Y. B. Jun, J. Lee Kyoung and S.Z. Song, Hesitant fuzzy bi-ideals in semigroups, Commun. Korean Math. Soc., (3) 30 (2015), 143-154.
[10] T. Mahmood, F. Mehmood and Q. Khan, Cubic hesitant fuzzy sets and their applications to multi criteria decision making, Int. J. Algebra., (1) 5 (2016), 19-51.
[11] T. Mahmood, U.Ur. Rehman and M. Albaity, Analysis of Γ semigroups based on bipolar complex fuzzy sets, Comput. Appl. Math., (6) 42 (2023), 262.
[12] D. Molodtsov, Soft set theory-first results, Comput. Math. with Appl., 37 (1999), 19–31.
[13] K. Porselvi and B. Elavarasan, On hybrid interior ideals in semigroups, Probl. Anal. Issues Anal., (3) 8 (2019), 137-146.
[14] U. Ur. Rehman, T. Mahmood and M. Naeem, Bipolar complex fuzzy semigroups, AIMS Math., (2) 8 (2023), 3997-4021.
[15] A. Rosenfeld, Fuzzy groups, J. Math. Anal. Appl., (3) 35 (1971), 512-517.
[16] A. F. Talee, M.Y. Abbas and A. Basar, On properties of hesitant fuzzy ideals in semigroups, Ann. Commun. Math., (1) 3 (2020), 97-106.
[17] V. Torra, Hesitant fuzzy sets, Int. J. Intell. Syst., (6) 25 (2010), 529-539.
[18] V. Torra and Y. Narukawa, On hesitant fuzzy sets and decision, IEEE international conference on fuzzy systems, (2009), 1378-1382.
[19] X. Yang, T. Mahmood and U. Ur. Rehman, Bipolar complex fuzzy subgroups, Mathematics, (16) 10 (2022), 2822.
[20] L. A. Zadeh, Fuzzy sets, Inform Control., (3) 8 (1965), 338-353.