PRAMANIK, Surapati; DEY, Pratim. Multi-level linear programming problem with neutrosophic numbers: A goal programming strategy. Neutrosophic Sets and Systems, [S. l.], v. 29, p. 242–254, 2019. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/233.. Acesso em: 21 may. 2025.