Dear students and lecturers, we would like to introduce you to another repository, the British "CORE" (Connecting Repositories), which is the largest collection of publicly available repositories in the world. It has united the world's most diverse scientific journals, articles, dissertations, researches, etc. on one platform. In total, now the collection contains more than 243 million studies in different languages from around 11,000 individual authors, publishers, universities and other organizations around the world. "CORE" has a very flexible search system, as well as the ability to download or print the content of the material in pdf.
In more details: https://core.ac.uk/
Informative video: https://www.youtube.com/watch?v=hxBaYINhW7Q