ABUBAKAR ABDULKARIM; MUKAILA, I. F. STUDY OF CONVEXITY IN SETS AND FUZZY SETS. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 6, n. 1, p. 175–180, 2022. DOI: 10.33003/fjs-2022-0601-852. Disponível em: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/852. Acesso em: 29 oct. 2025.