the quality of learning is one of the basic elements in every society to reach achievements. this subject has more importance on e-learning. accordingly, the present study explains the affecting factors on e-learning programs’ effectiveness. regarding the aims, the present research is descriptive and regarding the application is practical. data collection method is research made questioner. in ...

in chemical engineering, several processes are represented by singular boundary value problems. in general, classical numerical methods fail to produce good approximations for the singular boundary value problems. in this paper, chebyshev finite difference (chfd) method and dtm-pad´e method, which is a combination of differential transform method (dtm) and pad´e approximant, are applied for sol...

Recent advances in wireless and mobile communications infrastructure are enabling governments to deliver and manage services to citizen efficiently and economically. Mobile government provides this ability to governments. This paper presents the ggovernance approach in effective development of mobile government. The objective is reviews(identify and ranking) of public service concept (Included:...