ON CONGRUENCES AND KERNELS OF SOME LEFT RESTRICTION SEMIGROUPS
IN βπ΄{ππ,ππ,ππ,ππ,ππ}
ABUBAKAR, R. B. Ph.DDepartment of Mathematics,Federal College of Education (Technical), Omoku, Rivers state.Corresponding Email: rafiat.abubakar@fcetomoku.edu.ng