Courses by Sri Lanka Standards Institution (SLSI) / Courses in Sri LankaSLSI Training on Quality and Productivity (October 20, 26, 27, 28, 29, November 02) 2020 – Sri Lanka Standards Institution September 23, 2020December 30, 2020 Date – October 20, 26, 27, 28, 29, November 02 English AdvertisementDownloadSource – Daily News (2020.09.23)