** V.A. Artamonov, S. Chakrabarti, S.K. Pal**
Characterizations of highly non-associative quasigroups and associative triples, pp. 1-19

** J.A. Awolola and P.A. Ejegwa**
On some algebraic properties of order of an element of a multigroup, pp. 21-26

** G.R. Biyogmam**
Nilpotency of gb-triple systems, pp. 27-40

** H. Bordbar, M.M. Zahedi and Y.B. Jun**
Semi-prime and meet weak closure operations in lower BCK-semilattices, pp. 41-50

** W.A. Dudek and V.V. Mukhin**
Covering semigroups of topological n-ary semigroups, pp. 51-58

** A.N. Issa**
Identities in right Hom-alternative superalgebras, pp.59-71

** M.A. Khan, S. Muhammad, N. Mohammad and A. Ali**
Enumeration of exponent three IP loops, pp. 73-86

** P. Kummoon and T. Changphas**
On bi-bases of a semigroup, pp. 87-94

** N.A. Moldovyan, A.V. Shcherbacov and M.A. Eremeev**
Deniable-encryption protocols based on commutative ciphers, pp. 95-108

**P. Palakawong na Ayutthaya and B. Pibaljommee**
Characterizations of ordered k-regular semirings by ordered quasi k-ideals, pp. 109-120

** P. Senart and B. Pibaljommee**
Prime ordered k-ideals in ordered semirings, pp. 121-132

** P. Syrbu and D. Ceban**
On orthogonal systems of ternary quasigroups admitting nontrivial paratopies, pp.133-150

** M. Tarnauceanu**
A note on a class of gyrogroups, pp. 151-154

** X. Zhang and T.Y. Li**
On nuclei and conuclei of S-quantales, pp. 155-164

### vol.25 (2017) No. 2

** M. Aaly Kologani, N. Kouhestani and R.A. Borzooei**
On topological semi-hoops, pp. 165-179

** M.Y. Abbasi and S.A. Khan**
On some generalized ideals in ternary semigroups, pp. 181-188

** A. Bahrami and R. Jahani-Nezhad**
Unit and unitary Cayley graphs for the ring of Gaussian integers modulo n, pp. 189-200

** T. Changphas and P. Summaprab**
On ordered semigroups containing covered one-sided ideals, pp. 201-210

** R. Debnath and A.K. Bhuniya**
On the lattice of congruences on completely regular semirings, pp. 211-220

** M.K. Dubey and P. Sarohe**
On prime and primary avoidance theorem for subsemimodules, pp. 221-229

** P.A. Ejegwa and A.M. Ibrahim**
Normal submultigroups and comultisets, pp. 231-244

** E. Haghi and A.R. Ashraf**
Note on the cyclic subgroup intersection graph of a finite group, pp. 245-250

** A. Karimi Feizabadi, H. Rasouli, M. Haddadi**
Representation of monoids in the category of monoid acts, pp. 251-259

** N. Kehayopulu**
On left strongly simple ordered hypersemigroups, pp. 261-268

** A. Krapez and Z. Petric**
A note on semisymmetry, pp. 269-278

** S.K. Maity**
The congruence Y* on completely regular semirings, pp. 279-288

** L. Mitchell**
Behrends-Humble simple maps are regular, pp. 289-290

** K. Naka and K. Hila**
Regularity of ternary semihypergroups, pp. 291-306

** M. Zarean, R.A. Borzooei and O. Zahiri**
On state equality algebras, pp. 307-326