SWASTIWI, Anastasia Wiwik. Penyengat Island Riau Island: Towards A World Heritage. International Journal of Environmental, Sustainability, and Social Science, [S. l.], v. 3, n. 1, p. 116–129, 2022. DOI: 10.38142/ijesss.v3i1.169. Disponível em: https://staging.journalkeberlanjutan.com/index.php/ijesss/article/view/169. Acesso em: 6 jun. 2026.