| 1. Lang Son
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| Information about geography, natural resources, economy and tourism with a view towards showcasing investment potential. [Vietnamese, English]. |
| http://www.langson.gov.vn |
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| 2. WomPom.ca: Lang Son Province
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| Describes the geography, main features, and transport. Also provides a map and lists the main statistics. |
| http://www.wompom.ca/vietnam/vnprovinc206.htm |
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