yangtze river AND ecosystem
"mountain gorillas" AND "central africa"
"child soldiers" AND burma
"child soldiers" AND myanmar
tibet AND politic*
tibet AND politic* AND china
Image copyright of James Yang.
Many scholarly journals use a process called peer review.
This video by Yavapai College Library in Prescott, Arizona demonstrates the different types of information found in Google versus library databases. The video also shows the special features of databases and why you can find better information in library databases.
Press the icon located in the bottom right corner to watch the video in fullscreen mode.