aransyah, A. ., H. Herpratiwi, and M. M. . Adha. “The Use of Qr-Code Media in PKN Subjects to Foster the Democratic Character of 21st Century Students”. Educenter : Jurnal Ilmiah Pendidikan, vol. 1, no. 10, Oct. 2022, pp. 671-6, doi:10.55904/educenter.v1i10.424.