background: assessment of educational courses has a critical impact on quality improvement in all curricula. surveys aimed at alumni and graduating students may be useful for the evaluation of the program outcomes and revision. the aims of this study were to describe levels of competency of last year students of an iranian dental school in the major skills needed for a new dentist and to invest...

the impact of price changes (at a level of market) on the other market levels (transfer of prices) will affect welfare of producers, marketing agents as well as consumers. in this study, asymmetric tea market is investigated through an application of johansen co-integration analysis and error correction model (ecm model) to time series of 1976-2009. co integration method used in the import mark...

Two contemporary effects of humans on aquatic ecosystems are increasing temperatures and increasing nutrient concentrations from fertilizers. The response of organisms to these perturbations has important implications for ecosystem processes. We examined the effects of phosphorus (P) supply and temperature on organismal carbon, nitrogen and phosphorus (C, N, and P) content, cell size and alloca...