AJARAN SIFAT MELAWAN HUKUM MATERIIL SEBAGAI UPAYA HARMONISASI KETENTUAN HUKUM PIDANA PORNOGRAFI MELALUI INTERNET: The Teaching of the Material Unlawful Nature as an Effort to Harmonize Criminal Law Provisions on Internet Pornography. (2017). Indonesian Journal of Criminal Law Studies, 2(1), 27-39. https://doi.org/10.15294/e6rjt032