Even you can gather data from a variety of sources such as blogs, social media posts, quora, and teacher's notes, but they are not considered credible sources for searching the research study material. The most probable reason behind it is that almost everybody has access to upload or publish data on such forums. However, for using material one must have to consider the validity and reliability of data that will be difficult to access for the material uploaded on these forums. Comparatively, platforms such as Google Scholar, online libraries, books, and academic journal contain information that is published after a detailed review.
Google Scholar is a research-based tool designed to freely access scholarly information from books, peer reviews, abstracts, and scholarly articles. Stating in another way, it provides researchers with ways to broadly search for the contribution of renowned researchers in their respective fields. From one place, you can search for various work, irrespective of the discipline. Mostly, Google Scholar contains only abstracts of the scholarly literature. If you find something that matches your area of interest, you can use other tools such as sci-hub to access the full article. The process of information gathering using Google Scholar can be used for