The phrase "as a critical source" is correct and usable in written English.
It can be used when referring to something that is essential or highly important for understanding or analyzing a topic.
Example: "The research paper was cited as a critical source in the discussion of climate change impacts."
Alternatives: "as an essential reference" or "as a key resource".
Further, the efforts of commercial ventures to patent human genetic sequences raise general awareness of one's body as a critical source of data to medical research and innovation.
On one end technology innovations and improvements simply ensure that a company "stays in the game," while at the other extreme, technology acts as a critical source of value creation and enhancement.
In most technology-based markets, industry technical committees (TCs) that establish new technical standards and specifications have assumed importance for companies as a critical source of information on existing and emerging technologies.
The death of Ahmed Wali Karzai, the head of Kandahar's provincial council and the most powerful figure in southern Afghanistan, has shaken much of Afghanistan and is a severe blow to the president, who relied on him as a critical source of political and financial power for the past ten years.
Therefore, the CMN fault will not be considered as a critical source for Haydarpaşa henceforth in this study.
That is perhaps the biggest irony of them all, given that the fuel has become a linchpin of American energy independence as well as a critical source to reduce global CO2 emissions from China and elsewhere.
The simulation results showed that 76% of the phosphorus load was transported with surface runoff, 25.2% of which came from 3.4% of the watershed area (classified as standard A critical source areas), and 55.3% of which originated from 17.1% of the watershed area (classified as standard B critical source areas).
US officials estimate North Koreans working in Russia send as much as $300m£230m0m) a year to Pyongyang, a critical source of foreign currency.
Fresh, but more often smoked, dried, or even as powder, fish is a critical source of dietary protein and micronutrients for many communities in the coastal areas around these water bodies.
Moreover, just as Social Security is a critical source of income for retirees today, it will be equally, and indeed probably more, important to the retirement security of Millennials, as a result of the nation's looming retirement income crisis.
Re "100 Bottles of Beer in the Trash" (editorial, July 4): For New York to claim unredeemed deposits, as you suggest, would remove a critical source of revenue that was not only intended to offset the privately financed costs of setting up bottle and can recycling programs, but was also meant to underwrite the expense of their continued operation.
