BHANDARI, S. R. Optimization Problem in Economics: The Classical Method and Inequality Constraint. Economic Journal of Nepal, [S. l.], v. 14, n. 1, p. 53–67, 1991. DOI: 10.3126/ejon.v14i1.71503. Disponível em: https://nepjol.info/index.php/EJON/article/view/71503. Acesso em: 21 nov. 2024.