Sturman N., Lawanwong K., Kitdee N., Chodhry D. (2020) Vietnam: Shell nuclei, pearl hatcheries, and pearl farming. Gems & Gemology, Vol. 56, No. 3, pp. 402-415.
Sturman N., Lawanwong K., Kitdee N., Chodhry D. (2020) Vietnam: Shell nuclei, pearl hatcheries, and pearl farming. Gems & Gemology, Vol. 56, No. 3, pp. 402-415.




