Hendra, H., Sari, R. M. and Sari, S. R. (2023) “Internalization of Muhammad Yamin’s character values as a source of character values in civics learning”, Jurnal Pembangunan Pendidikan: Fondasi dan Aplikasi, 11(1), pp. 69–78. doi: 10.21831/jppfa.v11i1.60597.