Document downloaded from: This paper must be cited as: The final publication is available at Copyright http://dx.doi.org/10.1142/S0218213011000395 http://hdl.handle.net/10251/40667 World Scientific Publishing Esparcia García, S.; Argente Villaplana, E.; Centeno, R.; Hermoso, R. (2011). Enhancing MAS environments with organizational mechanisms. International Journal on Artificial Intelligence Tools. 20(4):663-690. doi:10.1142/S0218213011000395.