List of Articles Monoid Open Access Article Abstract Page Full-Text 1 - Myhill-Nerode Fuzzy Congruences Corresponding to a General Fuzzy Automata khadijeh abolpour mohammad mehdi zahedi marzieh shamsizadeh Open Access Article Abstract Page Full-Text 2 - On quasi-Armendariz skew monoid rings Mohammad Habibi Ahmad Moussavi Raoufeh Manaviyat Open Access Article Abstract Page Full-Text 3 - 𝐶𝑣-injectivity of S-acts over monoids Masoome Hezarjaribi Dastaki Hamid Rasouli Open Access Article Abstract Page Full-Text 4 - Species diversity of Chalcidoidea and Ichneumonoidea (Hymenoptera) in some paddy fields and surrounding grasslands of Mazandaran and Guilan provinces, northern Iran Hassan Ghahari hamid Sakenin