1. Adámek, J., Herrlich, H., Strecker, G.E.: Abstract and concrete categories: the joy of cats. Wiley, New York (1990)
2. Bulman-Fleming, S., Mahmoudi, M.: The category of $$S$$ S -posets. Semigroup Forum 71, 443–461 (2005)
3. Ebrahimi, M.M., Mahmoudi, M., Rasouli, H.: Banaschewski’s theorem for $$S$$ S -posets: regular injectivity and completeness. Semigroup Forum 80, 313–324 (2010)
4. Ebrahimi, M.M., Mahmoudi, M., Rasouli, H.: Characterizing pomonoids $$S$$ S by complete $$S$$ S -posets. Cah. Topol. Géom. Différ. Catég. 51, 272–281 (2010)
5. Fakhruddin, S.M.: On the category of $$S$$ S -posets. Acta Sci. Math. 52, 85–92 (1988)