Abubakar Abdulkarim, Mukaila IF. STUDY OF CONVEXITY IN SETS AND FUZZY SETS. FJS [Internet]. 2022 Apr. 1 [cited 2025 Oct. 29];6(1):175-80. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/852