SAM, M. L.; SAPTARI, A.; SALLEH, M. R.; CHONG, K. E. Properties of Optimal Solution of Indefinite Matrix Constraint in Linear Programming. Journal of Advanced Manufacturing Technology (JAMT), [S. l.], v. 11, n. 1(1), p. 129–138, 2017. Disponível em: https://ojsdemo.utem.edu.my/jamt/article/view/2836. Acesso em: 6 jul. 2025.