Ismawati Septiningsih, and Sri Wahyuningsih Yulianti. “The Meaning of the Principle of Material Legality in Reforming Indonesian Criminal Law”. ARIMA : Jurnal Sosial Dan Humaniora, vol. 1, no. 2, Dec. 2023, pp. 54-57, https://jurnalistiqomah.org/index.php/arima/article/view/156.