NALSAL WINATA SINAGA, D. .; MARSELINA, M. Analysis Externality Flyover as Public Goods on Economic and Social Conditions (Study Case: Flyover of Jl. Sultan Agung). International Journal of Social Science, Education, Communication and Economics (SINOMICS JOURNAL), [S. l.], v. 2, n. 6, p. 1605–1624, 2024. DOI: 10.54443/sj.v2i6.255. Disponível em: https://sinomicsjournal.com/index.php/SJ/article/view/255. Acesso em: 7 nov. 2024.