2024. Combinatorial And Algebraic Properties Of Nilpotent  And Idempotent Conjugacy Classes: A Study In Partial  One-To-One Transformation Semigroups. The Journals of the Nigerian Association of Mathematical Physics. 68, (Oct. 2024), 129–140. DOI:https://doi.org/10.60787/jnamp.v68no1.417.