aransyah, Ade, Herpratiwi Herpratiwi, and M. Mona Adha. 2022. “The Use of Qr-Code Media in PKN Subjects to Foster the Democratic Character of 21st Century Students”. Educenter : Jurnal Ilmiah Pendidikan 1 (10):671-76. https://doi.org/10.55904/educenter.v1i10.424.