Isaac AA, Akra UP, Akpan SS. ON WHETHER A t- STEINER QUINTUPLE SYSTEM OF BALANCED INCOMPLETE BLOCK DESIGN IS A GROUP, RING OR FIELD ALGEBRA. FJS [Internet]. 2025 Nov. 28 [cited 2025 Dec. 8];9(12):241-6. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/4082