Courses by Gem and Jewellery Research and Training Institute (GJRTI) / Courses in Sri LankaCourses Related to Gem Industry and Jewellery Industry – Gem and Jewellery Research and Training Institute (GJRTI) 2019 May 6, 2019 Closing Date – Not Mentioned Advertisement English Edition Preview Download Advertisement (English Edition) Instructions to Candidates Contact Numbers : 011-2579184, 011-4324676 Email – [email protected] Source – Sunday Observer (2019.04.28)
