DAS, B. C. Effect of graphical method for solving mathematical programming problem. Daffodil International University Journal of Science and Technology, [S. l.], v. 5, n. 1, p. 29–36, 2010. DOI: 10.3329/diujst.v5i1.4379. Disponível em: https://www.banglajol.info/index.php/DIUJST/article/view/4379. Acesso em: 29 apr. 2024.