عمر, شريفزرزار, العياشي2018-10-252018-10-2520121112-8984http://dspace.univ-msila.dz:8080//xmlui/handle/123456789/6230Non-economic development of any country, as a result of current economic conditions and are suffering from the problems of globalization market and variables Ocean, led to the emergence of some new models that rely on the establishment of projects Dgarh, the factor that led to the so-called sector unofficial is best known globally that has been in Bangladesh-Bolivia and scientific advisers for small-scale projects that have changed the funding model and integrate them into the formal economy Algeria evidence adopted economic reforms, allowed her to reconsider and account for small and medium enterprises for the development of the national economy and to shed light on the reality unofficial institutions and the problems that affect them and the challenges in the best market economyArticle