Sukarno, Bilal, and Fathurahman Saleh. “Vertical Conflict, Public Policies, and Pandemic Covid-19: Case Study of Central and Regional Government of DKI Jakarta”. Jurnal Studi Sosial Dan Politik, vol. 5, no. 1, June 2021, pp. 83-104, https://doi.org/10.19109/jssp.v5i1.7904.