Ortigosa Hernández, Mauricio; Gil Lafuente, Anna María - In: Revista de Métodos Cuantitativos para la Economía y … 22 (2016), pp. 139-163
uncertainty and the fuzzy subsets, in order to build laws of possibilities for the retreat of clients only with the subjective … even from heuristic methods. The results show the utility of fuzzy concepts in a problem where the uncertainty in relation … to the permanence of the client is evident and allows to obtain a valuable element (time), when the Customer Lifetime …