Similarity measures for picture hesitant fuzzy sets and their applications in pattern recognition. Journal of Prime Research in Mathematics, [S. l.], v. 15, n. 1, p. 81 – 100, 2019. Disponível em: https://jprm.sms.edu.pk/index.php/jprm/article/view/13. Acesso em: 7 dec. 2025.