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job satisfaction of employees is one of the most challenging concepts in any organization and is the basis for many of the policies and management strategies to increase productivity and efficiency. it is influenced by many factors including environmental and personal factors, income, nature and social status of the job, organizational prestige, promotion, job security, lack of role ambiguity, ...

background: human toxoplasmosis is an important zoonotic infection worldwide which is caused by the intracellular parasite toxoplasma gondii (t.gondii). the aim of this study was to review briefly the general aspects of toxoplasma infection in   in iranian health system network. methods: we searched published toxoplasmosis related articles in english databases including science direct, pub med,...

background: the advent of new technologies with widespread dissemination of information has caused a fundamental change in information and educational resources. on the other hand, selection of an appropriate and valuable source of information in the field of health education is essential. therefore, this study was designed and implemented with the objective of comparing health center’s staff o...

sepahan is a new bread wheat cultivar derived from progenies of a cross made between azadi cultivar and some high yielding and resistant to rust advanced lines. all selections were made in kelardasht and iranshahr stations and early evaluations in karaj. it was also studied in regional uniform yield trials in moderate stations including kaboutar abad. results revealed that this line is more tol...

in this paper, the effects of roll center height of mcpherson suspension mechanism on dynamic behaviour of a vehicle is studied first and then the optimum location of roll center of this suspension system is determined for a conceptual class a vehicle. adams/car software was used for analysis of vehicle dynamic behaviour in different positions of suspension roll center, then optimization proces...

recognizing the advantages of primary care as a means of improving the entire health system, this text comments on reforms of publicly funded primary health centers, and the rapid development of private forprofit providers in sweden. many goals and expectations are connected to such reforms, which equally require critical analyses of scarce resources, professional trust/motivation and business ...

in this paper we present the problem of designing a three level hub center network. in our network, the top level consists of a complete network where a direct link is between all central hubs.  the second and third levels consist of star networks that connect the hubs to central hubs and the demand nodes to hubs and thus to central hubs, respectively. we model this problem in an incomplete net...