Putra, Toni Wijanarko Adi, dan Muchamad Widodo. “IMPLEMENTATION OF FIREWALL MANGEL ON NETWORKS IN SMK ASSODIQIYAH SEMARANG”. Jurnal Transformatika, vol. 20, no. 2, Januari 2023, hlm. 51-59, https://doi.org/10.26623/transformatika.v20i2.4565.