Sandya Nishanthi Gunasekara and Md Saiful Karim, 'Contemporary Issues in the Protection and Conservation of the Marine Environment: An Overview' in Daud Hassan and Md. Saiful Karim (eds.), International Marine Environmental Law and Policy (Routledge, London, 2018)

Sandya Nishanthi Gunasekara, ‘Bandwagoning, Balancing, and Small States: A Case of Sri Lanka’ (2015) 11 (28) Asian Social Science 212

 Sandya Nishanthi Gunasekara, ‘Security dimensions of SethuSamudram ship canal project and the  United Nations convention on the law of sea: India-Sri Lanka context’ (2014) 3 (12)  International  Journal of Social Sciences and Interdisciplinary Research 223

Sandya Nishanthi Gunasekara, ‘Synthesizing of the cases with the theory: Maritime security issues between India and Sri Lanka and Barry Buzan’s security dimensions’, (2014) 3 (1) Humanities  and Social Sciences Review, 3 (1), CD-ROM. ISSN: 2165-6258, 3(1), 339

Sandya Nishanthi GunasekaraSaiful Karim. ‘The role of ASEAN and its members in promoting the norm of responsible governance of marine biodiversity of areas beyond national jurisdiction’. (2020). DOI: 10.1111/reel.12372

Sandya Nishanthi GunasekaraSaiful Karim, ‘ASEAN: an exploration of the institutionalisation of environmental governance in Southeast Asia’ (2018).