Links:
[1] https://ngocentre.org.vn/files/docs/Decision_158_on_approval_of_NTP-1.pdf
[2] https://ngocentre.org.vn/files/docs/NTP%20English.pdf
[3] https://ngocentre.org.vn/files/docs/NTP_ANNEX_16_06_2008_Eng_6th_draft.doc
[4] https://ngocentre.org.vn/files/docs/NTP_Vietnamese.pdf
[5] https://ngocentre.org.vn/files/docs/NTP_ANNEX_VIET.pdf
[6] https://ngocentre.org.vn/files/docs/NTP_ANNEX_II_VIET.pdf