Kueaiad, Oatcharawan, Rifa Khalisha, Nasywa Dalilah, and Irfan Zhafran Munajat. 2024. “Optimizing Digital Marketing for ‘Betawi Ringkok’”. COSTA : Community Service and Outreach 1 (1): 1-7. https://www.costa.enterprisepublisher.com/index.php/CST/article/view/1.