the benefits of information and communication technologies (icts) for agricultural extension purposes and activities are obvious. the main objective of this article is to identify encouraging and discouraging factors in application of icts in agricultural extension in isfahan province of iran. this study investigated areas of icts application by extension workers (ews), too. the research design...

We introduce a novel approach to estimating latent oil risk factors and establish their significance in pricing non-oil securities. Our model, which features four factors with simple economic interpretations, is estimated using both derivative prices and oil-related equity returns. The fit is excellent in and out of sample. The extracted oil factors carry significant risk premia, and are signif...

abstract background: in most countries, one of the main reasons for developing more advanced roles for nurses is to improve access to care in the context of limited number of doctors. it is considered that the introduction of major policy initiatives, such as nurse prescribing, requires high-level discussion and policy development to ensure successful implementation. this study aimed to identif...

Essential oils (EOs) with a wide spectrum of antibacterial activities have been suggested as potent alternative sources for controlling multidrug-resistant bacteria. This paper presented the evaluation anti-H. pylori activity EOs from rhizomes Zingiber officinale, Curcuma zedoaria, longa and Alpinia officinarum. The Eos, obtained by steam distillation method, were evaluated their minimal inhibi...