R. ANANDHI; P. PRIYA. A Comparison of Triangular Fuzzy Numbers and Intuitionistic Triangular Fuzzy Numbers Using Apex Base Least Cost Method. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 4 - F, p. 993–997, 2017. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/1364. Acesso em: 22 jul. 2024.