data intergration에서 일하는 모든 사람이 봐야 할 9가지 TED 강연

https://zenwriting.net/z6jnpoj289/very-well-after-you-have-asked-yourself-the-queries-above-visualize-your

Besides, it is learned that there are also some registrar companies who need a notarized kind or other formal recognition documents, but these are just based on the specified county which the registrants resides