Erromdhani, R., Mabrouk, N. B., & Rebai, A. (2010). The Hierarchical Planning of Production in Agro Alimentary Environment: Case of Interdependent Products. Journal of Informatics and Mathematical Sciences, 2(2 & 3), 149–159. https://doi.org/10.26713/jims.v2i2 & 3.34