Courses by Open University of Sri Lanka / Courses in Sri Lanka / Online ApplicationsBachelor of Education (Natural Sciences) Degree Programme (Level 3) 2017 / 2018 – The Open University of Sri Lanka November 26, 2017 Closing Date – 2017-December-14 Advertisement English Edition Preview Download Advertisement (English Edition) Apply Online Instructions to Candidates Contact Numbers : 011-2881256 / 011-2881327 Source – Sunday Observer (2017.11.12)