Andreas Simbolon, Riki, et al. “Models of Internal and External Oversight of Police Discretion in the Prevention of Abuse of Power A Study at the North Sumatera Regional Police”. International Conference Epicentrum of Economic Global Framework, Oct. 2025, pp. 124-33, https://proceeding.pancabudi.ac.id/index.php/ICEEGLOF/article/view/1578.