BOONGOEN, T. A Brief Review of Fuzzy Aggregation. NKRAFA JOURNAL OF SCIENCE AND TECHNOLOGY, [S. l.], v. 13, p. 59–66, 2018. Disponível em: https://ph02.tci-thaijo.org/index.php/nkrafa-sct/article/view/142031. Acesso em: 18 may. 2024.