手机知网
《中国学术期刊(光盘版》)电子杂志社
CNKI Express
CNKI
Researcher: Discover & Discuss
Researcher
知乎
Zhihu Inc.
Academia.edu
Samsung Internet 브라우저
Samsung Electronics Co., Ltd.
Spotify (스포티파이) : 음악부터 팟캐스트까지
Spotify AB
QQ
Tencent Technology (Shenzhen) Company Ltd.
R Discovery: 학술 연구 논문검색
Cactus Communications Pvt. Ltd.