The phrase "a source of valuable" is correct and usable in written English.
It can be used when referring to something that provides important or useful information, resources, or benefits.
Example: "The research paper serves as a source of valuable insights into climate change."
Alternatives: "a source of important" or "a source of useful".
Money from investors is used to plant and tend about 500 trees an acre that, in 25 years, should become a source of valuable tropical hardwood.
Least likely would be a sale of a crown jewel like Orange, Europe's second-largest wireless phone operator and a source of valuable cash flow.
"They are the most heavily marked-up scores I have ever seen," said Virginia Danielson, the Loeb's librarian, and a source of valuable insight into Solti's musical thinking.
Kitcher's former student Kenneth Waters, for example, argues that the notion of reduction can be a source of valuable insight into the relationships between successive scientific theories.
My study also shows that malpractice suits are playing an unexpected role in patient safety efforts, as a source of valuable information about medical error.
Matthias Jager, a market and value chain expert at CIAT, also found that increased income had allowed quinoa producers to diversify their diets with meats, fruits and vegetables while maintaining quinoa as a source of valuable protein.
But for the majority of postdocs, its most important effect may well be a clarification of their prospects for landing an academic job, a source of valuable--if not necessarily welcome--professional feedback.
The country's name comes from the Latin word for silver, argentum, and Argentina is indeed a great source of valuable minerals.
In the recent times lignin has been a rich source of valuable products like phenolic compounds.
Seaweeds are a rich source of valuable compounds including food additives and biomedicinals.
An important way leading to its utilization as a renewable source of valuable phenolic compounds is represented by olefin metathesis.
