background: with the recent spread of virtual learning programs in universities, especially in the field of medical sciences, libraries play a crucial role to support these programs. this study aimed at investigating the skills required by librarians to support virtual learning programs in isfahan university and isfahan university of medical sciences.   methods: this was an applied survey study...

there has been a recent development and explosion of interest among academicians across a wide range of disciplines in the use of virtual class room. utilization of the virtual class room as a laboratory experimentation for teaching and learning has increased significantly in recent years as development tools for web based applications have become easier to use and computers have become more ca...

with the advent of cyberspace and development of data and information, virtual cities were presented as new forms of city management in different layers and territories. historic and tourism virtual city are among eight types of virtual cities. in this article some guidelines were presented in order to design and manage them based on tehran tourists' need assessment. theoretical framework ...

in this paper, by investigating the common weights concept and dea models with nonlinear virtual inputs/outputs, we introduce a model for evaluating the decision making units with nonlinear virtual inputs and outputs based on the common weights.

Virtual learning, in particular, has been defined as any system of education and instruction that brings together participants who are separated by geographical distances or time. Notably, virtual learning environment interactive telecommunications systems utilized to connect learners, resources, instructors. Accordingly, the present study sought investigate significant effect teaching on impro...