1. Abchir, M. A., & Truck, I. (2013). Towards an extention of the 2-tuple linguistic model to deal with unbalanced linguistic term sets. Kybernetika, 49(1), 164–180.
2. Alcalá, R., Alcalá-Fdez, J., Herrera, F., & Otero, J. (2007). Genetic learning of accurate and compact fuzzy rule based systems based on the 2-tuples linguistic representation. International Journal of Approximate Reasoning, 44, 45–64.
3. Alonso, S., Chiclana, F., Herrera, F., Herrera-Viedma, E., Alcalá-Fdez, J., & Porcel, C. (2008). A consistency-based procedure to estimate missing pairwise preference values. International Journal of Intelligence Systems, 23(2), 155–175.
4. Alonso, S., Cabrerizo, F. J., Chiclana, F., Herrera, F., & Herrera-Viedma, E. (2009). Group decision-making with incomplete fuzzy linguistic preference relations. International Journal of Intelligence Systems, 24(2), 201–222.
5. Anagnostopoulos, K., Doukas, H., & Psarras, J. (2008). A linguistic multicriteria analysis system combining fuzzy sets theory, ideal and anti-ideal points for location site selection. Expert Systems with Applications, 35(4), 2041–2048.