this is the Wikipedia localized version for Indonesia. in general, there are many problems in the articles in the localized version for Indonesia. such as plagiarized, copied-pasted, edited contents in the articles, with improper and/or lack of and/or 0 (zero) sourcing/referencing.
Wikipedia is a collaboratively edited, multilingual, free Internet encyclopedia that is supported by the non-profit Wikimedia Foundation. Anyone who can access the site can edit almost any of its articles.
As with any publicly edited and created content website you must use caution and verify anything you see as suspicious or untrue.
This site give you lot of useful information freely. And, as long i looking for information this site always provide it freely. And also this site is very reccomend because it's didnt scma or the other things.