Ibrahim Garba, Risqot, Naimat Bakare Gatta, and Suleiman Awwal Akinwunmi. “Structural Properties of Full Contraction Transformation Semigroup on a Finite Chain”. FUDMA Journal of Sciences 10, no. 20 (October 10, 2026): 209–211. Accessed October 11, 2026. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/6039.