Abubakar Abdulkarim, and MukailaI. F. “STUDY OF CONVEXITY IN SETS AND FUZZY SETS”. FUDMA JOURNAL OF SCIENCES 6, no. 1 (April 1, 2022): 175 - 180. Accessed May 4, 2024. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/852.