ON THE COMBINATORIAL PROPERTIES OF NILPOTENT AND IDEMPOTENT CONJUGACY CLASSES OF THE INJECTIVE ORDER-DECREASING TRANSFORMATION SEMIGROUP. FJST [انترنت]. 15 فبراير، 2021 [وثق 17 مايو، 2026];1(1):91-4. موجود في: https://lafiascijournals.org.ng/index.php/fjst/article/view/15