Endomorphisms of semigroups of monotone transformations." *Journal of Algebra and its Applications (DOI 10.1142/S0219498824502244; Online 5 July 2023)* (2023). AbstractWebsite

"Endomorphisms of semigroups of oriented transformations." *Semigroup Forum (DOI 10.1007/s00233-022-10325-y; Online 2 Dec 2022)*. 106 (2023): 184-210. AbstractWebsite

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