The phrase "a long established approach" is correct and usable in written English.
It can be used to describe a method or technique that has been in practice for a significant amount of time.
Example: "The researchers decided to use a long established approach to analyze the data, ensuring reliability in their findings."
Alternatives: "a well-established method" or "a time-honored technique".
Whilst allergen desensitization is a long established approach for allergic disease [1] [4], the critical underlying mechanisms are still debated.
Multiple publications describe the attempt to minimize surgical collateral damage in anterior thoracic spine surgery, a long established approach to decompress anterior lesions [ 4, 14, 18, 19].
Over five years, its global index has outperformed the MSCI World by almost three percentage points a year and its American index has beaten the S&P 500 by just over two percentage points.Critics say that this approach simply exploits the value effect, a long-established approach to stock-picking.
In this paper, we apply a long-established approach to performance measurement that lends itself readily to graphic depiction: the assessment of how many 'years behind' a country has fallen, relative to other countries.
She added: "It is right that there's a place at the table for the Irish government on issues for which they have responsibility and in accordance with the long established three-stranded approach.
Introducing new concepts and wording into key government documents is one facet of change, but as we currently see in most 'both/and' jurisdictions, long established procedures, training approaches, and assessment tools may be at variance with such new perspectives.
This approach, though long established, does not guarantee that teachers use content reflecting the needs of the workplace and often relies on passive memorization from lectures as the dominant learning method for students.
"This has been long established".
Both tools are long established.
