Research Digest
The British Psychological Society
Research Writing
Avrutti - Smartness Redefined
Research Core
99darshan
ResearchGate
ResearchGate GmbH.
R Discovery: Academic Research
Cactus Communications Pvt. Ltd.
Researcher:发现最新研究
Researcher
Academia.edu
New Scientist
Google Play 图书
Google LLC
Quora: the knowledge platform
Quora, Inc.