Nguyễn Viết Đức | Substack

Nguyễn Viết Đức

@nguynvitc401018

Independent Researcher, Continuing Education, and Inter-active Social-cultural Education to serve Public Consumers.

Nguyễn’s Substack

Nguyễn’s Substack

By Nguyễn Viết Đức

My personal Substack

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