Rizq Iskandar, Rayhan, and Ainur Rochmaniah. “ANALYSIS OF INFORMAL COMMUNICATION NETWORKS IN HARDCORE VIOLENCE YOUTH CREW 253 COMMUNITY”. Proceeding of International Conference on Social Science and Humanity, vol. 2, no. 2, Sept. 2025, pp. 690-04, doi:10.61796/icossh.v2i2.434.