BigBlueButton
5.0 tawm ntawm 5 hnub qub (raws li 1 ntsuam xyuas)
BigBlueButton is an open source web conferencing system designed for online learning.
Lossis: web conferencing system
Tsis pub luam Directory
tsho ntawm nrab muaj, yuav tsum txhob nug dab tsi pauj
cov pawg uas tau txais, yuav tsis tau muab dab tsi pauj