Background: Marketing has for many years been working to reduce environmental concerns by relying on ethics and presenting new marketing ideas such as green marketing. Therefore, the present study aimed to provide a model of the green marketing process in the pharmaceutical industry. Method: This applied research was conducted with a mixed (quantitative - qualitative) approach. In the qualitat...

Programming languages and software engineering methods are highly related in that both are images of an underlying paradigm. In this paper we investigate the role of the paradigm, the language model and the software development method and de ne requirements on each of the three concepts. Subsequently, we describe the layered object model, an extended object model which allows for rst-class repr...

grid computing is an emerging computing paradigm that will have significant impact on the next generation information infrastructure. due to the largeness and complexity of grid system, its quality of service, performance and reliability are difficult to model, analyze and evaluate. this paper proposes a virtual tree-structured model of the grid service. this model simplifies the physical struc...

after passing more than one decade of appearance of digital libraries in iran, they couldn’t meet their real mission, which is responding to audience needs. surely, this problem is affected by potentially and real factors. so this research wants to recognize resistant factors and driving factors by recourse oriented approach, and then to fit them in integrated model.research method which we app...