KRAWCZYK, J.; POURTALLIER, O.; TIDBALL, M. Modelling and solution to the municipal effluent management problem. School of Management Working Papers, [S. l.], p. 1–38, 1996. Disponível em: https://ojs.victoria.ac.nz/somwp/article/view/7229. Acesso em: 19 may. 2024.