| 1. | Cover for Vol. 13, No. 1. | |
| 2. | Product preservation and stable units for reflections into idempotent subvarieties | |
| صفحه 1-22 | ||
| Isabel A. Xarez؛ Joao J. Xarez | ||
| 3. | The non-abelian tensor product of normal crossed submodules of groups | |
| صفحه 23-44 | ||
| Alireza Salemkar؛ Tahereh Fakhr Taha | ||
| 4. | Distributive lattices with strong endomorphism kernel property as direct sums | |
| صفحه 45-54 | ||
| Jaroslav Gurican | ||
| 5. | Separated finitely supported $Cb$-sets | |
| صفحه 55-82 | ||
| Khadijeh Keshvardoost؛ Mojgan Mahmoudi | ||
| 6. | A classification of hull operators in archimedean lattice-ordered groups with unit | |
| صفحه 83-104 | ||
| Ricardo E. Carrera؛ Anthony W. Hager | ||
| 7. | The symmetric monoidal closed category of cpo $M$-sets | |
| صفحه 105-124 | ||
| Halimeh Moghbeli | ||
| 8. | Crossed squares, crossed modules over groupoids and cat$^{\bf {1-2}}-$groupoids | |
| صفحه 125-142 | ||
| Sedat Temel | ||
| 9. | Tense like equality algebras | |
| صفحه 143-166 | ||
| Mohammad Ali Hashemi؛ Rajabali Borzooei | ||
| 10. | Persian Abstracts, Vol. 13, No. 1. | |