@Misc{BVMC:223936, author = {Cayuela Fernández, Fernando}, title = {Sistemas estratégicos de análisis de audiencia en Internet}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2004}, year = {2004}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcb85k4} }