Babitha, K. V. and  John, S.J. (2013). On soft multi-set, Annals of Fuzzy Mathematics and    

Informatics, 5(1), 35-44.

Balami ,H.M. and Ibrahim, A.M. (2013). Soft multiset and its application in information system,

International Journal of scientific research and management, 1(9), 471-481.

Blizard, W. (1991). The Development of Mset Theory, Modern Logic, 1: 319-352.

Blizard, W. (1989).  Mset Theory, Notre Dame Journal of Formal Logic, 30, 36-66.

Cerf, V., Fenandez, E., Gostelow, K. and Volausky, S.(1971).  Formal control and low properties of a model of computation, Report ENG 7178, Computer Science Department, University of California, Los Angeles, CA, pp. 81,

Girish, K. P. and John, S. J. (2012). Mset Topologies Induced by Mset Relations, Information Science, 188: 298-313.

Isah, A. I. (2018). Some Properties of Soft Mset  Science World Journal Vol 13(No 4)

Isah, A. I. and Tella, Y. (2015). The Concept of Mset Category, British Journal of Mathematics &

Computer Science 9 (5) 427-437.

Kosters, W.A and Laros J. F. J. (2007). Metrics for mining msets, in: 27th SGAI International

Conference on Innovative Techniques and Applications of Artificial Intelligence, 2007, pp.293-303.

Knuth, D.E. (1981). The art of computer programming, vol 2: Semimimerical Algorithms. Second Edition, Addison-Wesley.

Miyamoto,   S. (2003). Two generalizations of msets, in: M. Inuiguchi, S. Tsumito eds., Rough Set theory and Granular computing, Springer, pp 59-68.

Mukherjee, A., Das, A. K. and Saha, A. (2014). Topological structure formed by soft multi sets and soft multi compact space, Annals of Fuzzy Mathematics and Informatics, 7(6), 919-933.

Osmanoglu, I. and Tokat, D. (2014). Compact Soft Multi Spaces, European Journal of Pure and

Applied Mathematics, 7 (1) 97-108.

Paun G. and Perez-Jimenez M.J. (2006), Membrane computing: brief introduction, recent results and applications, Bio Systems 85; 11-22.

Petrovsky, A. B. (1997). Structuring Techniques in Multiset Spaces. Springer. 174-184.

Singh, D. and Isah, A. I. (2015). Some Algebraic Structures of Languages, Journal of mathematics and computer science 14: 250-257.

Singh, D., Ibrahim, A. M., Yohanna, T. and Singh, J. N. (2008). A systematization of  fundamentals of msets 29 : pp 33- 48.

Syropoulos, A. (2011) . Mathematics of Multisets, GR-671 00 Xanith, GREECE.

Tokat ,D. and Osmanoglu, I. (2011). Soft multi set and soft multi topology, Nevsehir Universitesi Fen Bilimleri Enstitusu Dergisi Cilt, 2, 109-118.

Tokat, D., Osmanoglu, I. and Ücok, Y. (2015). On Soft Multi Semi-continuous Functions, Annals of Fuzzy Mathematics and Informatics, 10 (5) 691-704.

Wildberger, N. J. (2003). A new look at mset, School of Mathematics, UNSW Sydney 2052,Australia.

Yager, R.R (1986). On the theory of bags, Internat. J. Gen. Systems 13(1)  23-37.