the present study is paid to the evaluation of the welfare program of the unemployment insurance in iran. the main purpose which was the main reason for performing this thesis, was the unemployment insurance plan’s challenges in iran such as financial problems of this plan, prolongation of the credit receipt for some insured people, unemployment slow exiting from the unemployment insurance fund...

Degradation and over exploitation of natural resources is the most important constraints to sustainable development in many developing countries. Looking at the destruction Facts and figures of range lands, forests, soil erosion and water loss in our country represents numerous challenges in this field. Therefore, this study was conducted to determine the current challenges of watershed managem...