Links:
[1] https://ngocentre.org.vn/files/docs/CBT_Toolkit_FINAL_22_Nov_2007.pdf
[2] https://ngocentre.org.vn/files/docs/CBT_toolkit_FINAL_VN_no_pictures.pdf
[3] https://ngocentre.org.vn/files/docs/Introduction_Booklet_revised_II_eng_final.doc
[4] https://ngocentre.org.vn/files/docs/Introduction_Booklet_revised_II_vn_final.doc
[5] https://ngocentre.org.vn/files/docs/Cultural_Diversity_Conservation_E.doc
[6] https://ngocentre.org.vn/files/docs/Cultural_Diversity_Conservation_V.doc
[7] https://ngocentre.org.vn/files/docs/EU_Market_for_CBT.pdf