Courses by Open University of Sri Lanka / Courses in Sri Lanka / Online ApplicationsBachelor of Education (Natural Sciences) Degree Programme (Level 5 / 6) 2018 / 2019 – The Open University of Sri Lanka December 17, 2017 Closing Date – 2018-January-12 Advertisement English Edition Preview Download Advertisement (English Edition) Apply Online Instructions to Candidates Contact Numbers : 011-2881398 / 011-2881256 / 011-2881327 Source – Sunday Observer (2017.12.10)