Đợt 6 & 7 Free Oxy cho Vietnam 2021.08.22
Đợt 7
https://m.facebook.com/story.php?story_fbid=4395114373881113&id=100001477812016
Đợt 6
https://m.facebook.com/story.php?story_fbid=4385462791512938&id=100001477812016
Tu Bi Foundation
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