These had been valuable sources of new ideas and innovation in delivering public services.
Several genera in the mulberry family are valuable sources of timber.
Informants often come with criminal records, but they can also be valuable sources of information when properly used.
Rather than seeing students as a statistic or a test score, they understand them as valuable sources of policy insight.
His literary descriptions of cities, paintings, or scenes of nature are valuable sources for the history of art.
If successfully scaled up for commercial production, these organisms could serve as valuable sources of renewable energy.
These online searches should lead you to valuable sources of information such as the FSB, Deloittes Fast 50, FinTech 50 Watchlist or Real Business's Hot 100.
And if, once again, there is a British slant to the whole, well, the British are entitled when they keep producing valuable sources like this.
Corporations are valuable sources of innovation, she said, but "they are living under the tyranny of quarterly reports and stock prices".
Several Australian acacias are valuable sources of tannin, among them the golden wattle (A. pycnantha), the green wattle (A. decurrens), and the silver wattle (A. dealbata).
Although his history of Poland is no longer regarded highly, it is important as one of the few valuable sources not destroyed in the Revolution.
