The embedding of an ordered semigroup into an le-semigroup.
A note on semi-pseudoorders in semigroups.
Noetherian and Artinian ordered groupoids -- semigroups.
Decomposition of commutative ordered semigroups into archimedean components.
Fuzzy interior ideals in ordered semigroups.
On ordered left groups.
The Embedding of an Ordered Semigroup in an Ordered group via the Quotient Condition
The Ideal extensions of ordered semigroups
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