The aims of the paper are to debate some empirical experiments which have documented the ordeals of corporations in sure nations around the world like Spain, Italy, China, India, Australia, which conducted us to analyze the situation of Moroccan providers running in various sectors and pursuits, to assess performance amounts. http://jaredbcbvg.blogacep.com/10821504/top-latest-five-test-and-calibration-urban-news