Phạm Hồ Ngọc Phụng #PhamHoNgocPhung on Speaker Deck https://t.co/zLeU0SPa23

Phạm Hồ Ngọc Phụng #PhamHoNgocPhung on Speaker Deck https://t.co/zLeU0SPa23

— Phạm Hồ Ngọc Phụng (@phamhongocphung) May 31, 2019

from Twitter https://twitter.com/phamhongocphung

May 31, 2019 at 10:29AM