Students often struggle to find relevant information for their academic assignments and projects. They turn to avail academic writing services which can help with their assignments. However, it can be beneficial to get the hang of some popular research-backed sites, which contain all the information they need in writing. These sites are used by students and teachers worldwide as they have reliable sources of data backed by scientific studies. These websites are also contributed to by experts in their respective fields. In this article, we present some of the best sites to refer when you are doing your academic assignments. 1. www.researchgate.net This website contains over 130 million + research papers contributed by scholars and experts in their fields. The website is extremely popular among students and professionals due to its study backed sources of information. Most academic writing services have professionals who often refer to this site, as it is one of the most popular on the internet. 2. www.ncbi.nlm.nih.gov This website primarily deals with scientific topics and medicine. However, since the website started functioning, its database has collected thousands of scientific studies on all aspects of human health and functioning. Thus, you can get essay assignment help from this site for all your academic needs. 3. http://oatd.org Also known as Open Access Thesis and Dissertations, this site has comprehensive studies and journals from which students can refer to. Students can use citations inbuilt into the content, quote authors' works, and write in their own style. This ensures they come up with plagiarism free essays which reflect their Essay Writing skills. 4. www.core.ac.uk This site aims to connect students with open access journals, scientific publications and research papers. It gives students free access to thousands of research and academic papers, proving to be immensely useful in writing essays. Thus, students would not need to search online for “who can write my essay” and other similar queries. They can access all their information here. Key takeaway It can be beneficial if students get the hang of these sites, which helps them become self-sufficient. Scientific studies can help them get acquainted with writing academic papers, which can prove to be helpful in the long run.