#Proof of participation:

URL Facebook link:https://facebook.com/ongtongha
Username Telegram:@bayhaichin
Username Twitter: @hoangchanh94
URL Medium link: https://medium.com/@hhoang_83983
URL YouTube link: https://www.youtube.com/channel/UC2Xv3OaXLhqqoxKXUqlo6qg?view_as=subscriber