Khan Academy
4.3 out of 5 stars (based on 3 reviews)
Khan Academy is an American non-profit educational organization created in 2008 by Salman Khan,
Qeb: Kev kawm ntawv
World Digital Library
4.0 out of 5 stars (based on 2 reviews)
The World Digital Library (WDL) is an international digital library operated by UNESCO and the
PLOS One
2.0 tawm ntawm 5 lub hnub qub (raws li 1 kev tshuaj xyuas)
PLOS One (stylized PLOS ONE, and formerly PLoS ONE) is a peer-reviewed open access scientific
List of Libraries (Wikipedia)
4.0 tawm ntawm 5 hnub qub (raws li 1 ntsuam xyuas)
Ib lub tsev qiv ntawv yog ib tug curated sau ntawm cov ntaub ntawv thiab zoo sib xws cov peev txheej, xaiv los ntawm
TROM
4.8 ntawm 5 lub hnub qub (raws li 4 kev tshuaj xyuas)
TROM yog ib qhov project uas muaj lub hom phiaj los qhia hauv kev nthuav dav lub hauv paus ntawm feem ntau ntawm cov teeb meem niaj hnub no
Yees duab yees duab
4.8 ntawm 5 lub hnub qub (raws li 4 kev tshuaj xyuas)
Curating tej yam zoo rau tib neeg thiab muab lawv rau ib tug txiv neej decentralized.
Wikipedia
5.0 tawm ntawm 5 lub hnub qub (raws li 2 kev tshuaj xyuas)
Wikipedia yog ntau hom lus online encyclopedia tsim thiab tswj raws li kev sib koom tes qhib