The seven-dollar free-of-charge website recommended by scientists
1 z-library
The site is a paradise for e-book lovers! It has a huge amount of e-book resources and is downloaded free of charge. I've downloaded the latest edition of nursing. It's so convenient! And there are novels such as ming dynasty, maliciousness, brief history of the future, and so on。
2 vx: software
This software housekeeper is super good! It has a variety of software, such as stata, sps, revman, and a very detailed installation process that is very stable. I've been watching it for years. It's always free
3. General research
It's a free literature support site, and if you can't download some of the literature, you can ask for help directly on it. (sniffles)
4 google academics
It's a good site. It's a mirror site that can find the most extensive foreign literature and download it free of charge. There is no need or need for a rewriting of the literature export format, and the most common format can be selected directly. Personally, i think it's much better than pubmed。
5 ️⃣ aribba material bank
There's a free ppt icon that makes your ppt perfect。
6 ppt supermarket
The site offers many, free templates and a variety of options。
7 ️⃣ book reference bibliography generator
Just enter the title of the book and click to export the selected record to generate a very standard reference。
