today, the economy and economic prosperity is one of the most important and vital elements of the development and the power for any country. therefore, one of the most important concerns of the politicians at the moment is effort to develop the economic activities. in effect, the economic development leads to state authority on the one hand and to the general satisfaction of people on other han...

Background: Clinically Suspect Arthralgia (CSA) was defined by European League Against Rheumatism to identify a combination of clinical features that best characterise patients with arthralgia who are at risk progression rheumatoid arthritis (RA) (1). A specificity >90% is obtained the presence ≥4 parameters. Another feature useful squeeze test (ST). Recently, we have identified necessary st...

In studying through simulation, choosing an appropriate tool/language would be a difficult task because many of them are available. On the other hand, few research works focus on evaluation of simulation tools/languages and their comparison. This paper makes a couple of evaluations and ranks more than fifty simulation tools that are currently available. The first evaluation and ranking is in th...