What are positions and directions? You can use position words to describe where something or someone is. For example, you can use words such as, 'above', 'below', 'near', 'far', 'up' or 'down'. You ...
Infrastructure provides critical support for economic activity, and assessing its role requires reliable measures. This paper provides an overview of US infrastructure data in the National Economic ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback