Courses by Sri Lanka Standards Institution (SLSI) / Courses in Sri LankaDiploma in Quality Management 2021 – Sri Lanka Standards Institution October 18, 2021October 18, 2021 Commencing On – 2021-12-05 Here you can see the English Advertisement… ad-en-20211017-3 English AdvertisementDownloadSource – Sunday observer (2021.10.17)