Courses Related to Gem Industry and Jewellery Industry – Gem and Jewellery Research and Training Institute (GJRTI) 2019

Courses Related to Gem Industry and Jewellery Industry – Gem and Jewellery Research and Training Institute (GJRTI) 2019 Contact Numbers : 011-2579184, 011-4324676 Email – training@gjrti.gov.lk Source – Sunday Observer (2019.04.28)