Susanto, H., R. L. . Sinaulan, and M. Ismed. “LEGAL CERTAINTY REGARDING THE IMPOSITION OF CRIMINAL EXTORTION SANCTIONS INVOLVING COMMUNITY ORGANIZATIONS (ORMAS)”. POLICY, LAW, NOTARY AND REGULATORY ISSUES, vol. 1, no. 2, Apr. 2022, pp. 37-54, doi:10.55047/polri.v1i2.152.