LOUBNA, C., E. MOSTAFA, M. ESSAAIDI, O. KASSARA, and B. MUSTAPHA. “Using Cooperatives Ontologies for the Customization of Hybrid Mediator Interrogation Process”. Annals of Spiru Haret University. Economic Series, vol. 11, no. 2, June 2011, pp. 115-26, https://anale.spiruharet.ro/economics/article/view/11212.