This does not constitute infringement. First of all, you use it for study and research, and you have indicated the source of the information, so it does not constitute infringement.

Fair use as stipulated in Article 24, Item 1 of the Copyright Law-for personal study, research or appreciation of the use of published works by others. In this case, even if the remuneration is paid without the authorization of the right holder, as long as the name (source) of the author or work is indicated, it will not affect the normal use of the original work or damage the legitimate rights and interests of the right holder, and it will not constitute infringement.