[4] M. Bolourian, Theory of plenices, PhD. Thesis (supervised by H Nooshin), University of Surrey,England (2009).
[5] M. Bolourian, A. Hasankhani, Moduloid over nexus, perprint.
[7] K. Devlin, The JoyofSets: Fundamentals of ContemporarySet, Springer-Verlag, New York, (1993).
[18] H. Nooshin, P. Disney, C. Yamamoto, Formian, (Multi-Science Publishing Company, 1993).
[19] A. Saeidi Rashkolia, A. Hasankhani, Fuzzy subnexuses, Italian Journal of Pure and Applied Mathematics (28)(2011) 229–242 https://ijpam.uniud.it/online issue/201128/22-saedi-hasankhani.pdf
[20] A. Saeidi Rashkolia, Prime fuzzy subnexuses, Proceeding of 20th Seminar on Algebra, Tarbiat Moallem University, Iran, April 22-23 (2009) 190–193.
[21] L. Torkzadeh, A.Hasankhani, SomeresultsonprimeandmaximalsubnexusesofanexusProceeding of 20th Seminar on Algebra, Tarbiat Moallem University, Iran, April 22-23 (2009) 222–224.
[22] M. M. Zahedi, Some Results on L-Fuzzy Modules, Fuzzy Sets and Systems, Vol. 55, PP. 355-363, (1993). https://doi.org/10.1016/0165-0114(93)90264-i