Cam Đức (nhà thiên văn học) (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Cam Đức (nhà thiên văn học)" in Vietnamese language version.

refsWebsite

Global rank Vietnamese rank

6^th place

4^th place

archive.org

Deng, Yinke (2005). Chinese Ancient Inventions. 2005. ISBN 7-5085-0837-8.
Peng, Yoke Ho (2000). An Introduction to Science and Civilization in China. Courier Dover Publications. ISBN 0-486-41445-0.