Courses by Sri Lanka Standards Institution (SLSI) / Courses in Sri LankaSLSI Training on Quality and Productivity (August 11, 12, 13, 19, 20) 2020 – Sri Lanka Standards Institution July 19, 2020September 2, 2020 Date – 2020-August-11,12,13,19,20 SLSI Training on Quality and Productivity (August 11,12,13,19,20) 2020 – Sri Lanka Standards Institution English AdvertisementDownloadSource – Sunday Observer (2020.07.19)