Coba jelasin Pemerolehan dari Mutiara dalam bahasa melayu dong

The History of Pearls. PBS Pearl History Special.

UT Geological Department on Pearls

A list of the world's famous pearls

Pearls and Pearling life by Edwin Streeter

George Frederick Kunz Book of the Pearl Book available in html and in pdf from the Gem and Diamond Foundation

Bagaimana Mutiara Dihasilkan Secara Komersil