![Avatar of Hoàng Nghĩa Duy](https://vietnam.congty.org/avatar/21K92E2DBE-default.jpg)
Hoàng Nghĩa Duy
Position: Author / Director
Address: Bản Lọng , Xã Phù Nham, Xã Phù Nham, Huyện Văn Chấn, Yên BáiOffice Address: Thôn Cầu Thia, Xã Phù Nham, Van Chan District, Yen Bai Province, Viet Nam, Van Chan District, Yen Bai Province
Phone:
![](http://vietnam.congty.org/i/uhVlmsuOcEM3QUniJqjoHQ%3D%3D/1.jpg)
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