The management of tanning effluents is a real problem for leather-producing countries. Therefore, the treatment solution search for this potentially toxic industrial wastewater constitutes a priority. In this study, the evaluation of the toxic potential of untreated effluent of the tannery of...

This paper suggests explaining the main important role of new economicinformation providing competitive advantages which help economic development. It highlightsa new ‘intelligent model» which produces and chooses the right competitive information, as aresult of informational innovation...