Tarigan, M. I., L. Lusiah, E. Margery, A. K. Wardani, S. B. Utomo, and M. M. Deli. “Efforts to Improve The Economy of Communities in The Trade and Services Sector in Beach Destinations”. International Journal of Economics Development Research (IJEDR), vol. 4, no. 6, Dec. 2023, pp. 2794-0, doi:10.37385/ijedr.v5i2.4523.