Utami, A. F., T. Wijaya, and S. Sukidjo. “The Antecedent of Gross Domestic Regional Bruto in Jakarta Province, Indonesia”. International Journal of Economics and Financial Issues, vol. 10, no. 1, Jan. 2020, pp. 196-00, https://www.econjournals.com/index.php/ijefi/article/view/9028.