given to the mosaic identity of states around the world, they have experienced different models for good spatial governance. even now, some states, disrespect of existence and non-existence of potential ethnic tensions, are looking ways of good governance of space and multi-ethnic geography. until now, five models including: 1.centralisation, 2.fedralism, 3.consociationalism, 4.decentralisation...

the problem of aids had not been recognized up to 1981 and in 1984 it was found that hiv virus is factor of this disease. for the time beings aids/hiv infection has chanched to a pandemic and cases affected to it are now reported from all over the world. in our country the first case was reported in 1987. regarding the importance of disease and recognition of its prevention and transmission rou...

Since the early nineteenth century, individuals interested in antiquities of Jordan investigated, documented, and interpreted archaeological finds they encountered or excavated this country. Their approaches developed over time, not only due to advancement scientific methods tools, but also because during last two centuries major changes affected religious political motivations western archaeol...