Vol. 2 No. 3 (2009): July - December

Scientific journals are the essential instrument to promote the social diffusion of scientific and technological knowledge. Therefore, we are pleased to reach you again for the second year in a row, through the sustained effort of the DAC Postgraduate Coordination to keep your scientific journal TEACs with a variety of topics relevant to our disciplines of interest; considering of vital importance the active participation of researchers from different latitudes and thus provide a high-level scientific reading, topicality and quality.