[1] H. Akta¸s and N. C¸ a˘gman, Soft sets and soft groups, Inform. Sci., 177 (2007), 2726-2735.
[2] M. I. Ali, F. Feng, X. Y. Liu, W. K. Min and M. Shabir, On some new operations in soft set theory, Comput. Math. Appl., 57 (2009), 1547-1553.
[3] N. Bourbaki, Algebra I Chapters 1–3, Springer-Verlag, 1989.
[4] P. Corsini and V. Leoreanu, Applications of hyperstructures theory, Advanced in Mathematics, Kluwer Academic Publisher, (2003).
[5] Y. K. Kim and W. K. Min, Full soft sets and full soft decision systems, J. Intell. Fuzzy Systems, 26 (2014), 925-933.
[6] P. K. Maji, R. Biswas and A. R. Roy, Soft set theory, Comput. Math. Appl., 45 (2003), 555-562.
[7] F. Marty, Sur une generalization de la notion de groupe, In eighth Congress Math.,Scandinaves, Stockholm,(1934),45-49.
[8] D. Molodtsov, Soft set theory-First results, Comput. Math. Appl., 37 (1999)19-31.