V. KAMAL NASIR; V. P. BEENU. Unbalanced transportation problem with pentagonal intuitionsitic fuzzy number solved using ambiguity index. Malaya Journal of Matematik, India, v. 9, n. 01, p. 720–724, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1119. Acesso em: 16 jul. 2024.