چکیده ندارد.

چکیده ندارد.

Introduction Assumptions about relationship between spatial structure and regional disparities reduction once has attracted the attention of policy makers and scholars alongside with the introduction of polycentric development policies in Europe and national level during the recent decades. Accordingly the present article attempted by examining the economic and experimental test of such assu...

This research was conducted to find an answer to a couple of questions, namely, "What is the importance and status of commercial cooperation in line with justice-based development of the country?", and "What are the I.R.Iran's approaches to economic and commercial cooperation?" The research hypothesis holds that the development of economic and commercial cooperation is a preliminary requirement...

New attenuation relationships for rock and soil in Alborz, have been developed in this study. When the quantity of usable ground-motion data is inadequate in the magnitude and distance ranges, development of an empirical prediction equation is deficient. Due to lack of data, the two well-known simulation techniques, point source and finite-fault models have been used to generate more than ten t...

Introduction and Objectives: Unbalanced distribution facilities and services on Economic, Social and between regions, need to the planning and balanced spatial development the spatial structure of the country is inevitable This study aimed to determine the level development of the provinces of Iran and rank them based on the level of development and different levels of development of the countr...