“The Implementation of Regional Regulation of Gorontalo City Number 17 Of 2011 Concerning The Retribution of Market Services in Gorontalo City”. International Interdisciplinary Conference on Sustainable Development Goals 4, no. 1 (Desember 27, 2021): 63–73. Diakses April 3, 2026. https://journals.ubmg.ac.id/index.php/IICSDGs/article/view/70.