JAYARAMAN, R.; SUBRAMANIYASWAMY, V.; RAVI, L. AN ADAPTIVE HESITANT FUZZY SETS BASED GROUP RECOMMENDATION SYSTEM. Malaysian Journal of Computer Science, [S. l.], p. 124–139, 2020. Disponível em: https://ejournal.um.edu.my/index.php/MJCS/article/view/27339. Acesso em: 21 sep. 2021.