This is just a help tools for a research.
Requirements: For Firefox
Oak Unctad Data is a Browser software developed by chenzhiyuan. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Oak Unctad Data:
BS Editor: This is just a help tools for a research. may helpful for other people. The manual is only Chinese, for the Ph.D needed it is a Chinese, :)