â â â  research in arabic language & literature â â â â â â â  biannual journal â  of the f oreign languages faculty â â of the university of isfahan â â â â â  issue 7, autumn & winter 2012-2013 â â â  issn: 2008-6466 electronic issn: 2322-4649 â  â  â  â  this journal is indexed in below sites: â  â  bjm electronic database http://uijs.ui.ac.ir/rall â  doaj: directory of open access journals ...

Customer satisfaction is the most important step in the process of identifying customer expectations. Identify customer expectations ‎without referring to him and get his view, is impossible. In order to identify customer expectations, service suppliers are also using ‎statistical techniques, surveyed their customers. According to the studies, there is no appropriate framework for expectati...

â â â â â  â â â  abstract â  beijing’s industrial structure is service-oriented with a high degree of economic openness, and gdp has maintained rapid growth. this paper analyzes the international financial crisis and the impact of china’s anti-crisis policies on beijing’s economic development as well as its transmission mechanism. impact index (excluding seasonal factors) and arma model ...

        This paper proposes a new forecasting model for investigating relationship between the price of crude oil, as an important energy source and GDP of the US, as the largest oil consumer, and the UK, as the oil producer. GMDH neural network and MLFF neural network approaches, which are both non-linear models, are employed to forecast GDP responses to the oil price changes. The resul...