Wikipedia's guidelines, and the statements of its founder, Jimmy Wales,  have advised against using Wikipedia or other encyclopedias as a primary source. 
Wikipedia's guidelines, and the statements of its founder, Jimmy Wales, whose name is known, unlike the those who edit the articles, have advised against using Wikipedia or other encyclopedias as a primary source. But, then, what is its value?
A
whose name is known, unlike the those who edit the articles,
A
But, then, what is its value?