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T -neighborhood groups. Ahsanullah, T.M.G.; Al-Thukair, Fawzi — 2004 International Journal of Mathematics and Mathematical Sciences
Fuzzy congruences on groups and rings. Samhan, Marouf A.; Ahsanullah, T.M.G. — 1994 International Journal of Mathematics and Mathematical Sciences
Characterization of fuzzy neighborhood commutative division rings. II. Ahsanullah, T.M.G.; Al-Thukair, Fawzi A. — 1995 International Journal of Mathematics and Mathematical Sciences
A characterization of fuzzy neighborhood commutative division rings. Ahsanullah, T.M.G.; Al-Thukair, Fawzi — 1993 International Journal of Mathematics and Mathematical Sciences