SHIRIN, S.; SAHA, G. Graphical representations of membership functions of maximum and minimum of two fuzzy numbers using computer program. GANIT: Journal of Bangladesh Mathematical Society, [S. l.], v. 31, p. 105–115, 2012. DOI: 10.3329/ganit.v31i0.10313. Disponível em: https://www.banglajol.info/index.php/GANIT/article/view/10313. Acesso em: 22 jun. 2024.