3. Soedarsono, R. (tanpa tahun). Pemikiran Pendidikan Ki Hadjar Dewantara. Jakarta:Penerbit Erlangga.
4. Soetjipto, H. (tanpa tahun). Ki Hadjar Dewantara: Pendidik Kebangsaan. Jakarta: Penerbit Gramedia.
Jurnal:
1. Purwanto, A., & Sumintono, B. (2018). The Relevance of Ki Hadjar Dewantara's Educational Thought in Today's Education. *Journal of Education and Learning*, 7(2), 261-268.doi:10.11591/edulearn.v7i2.8988
2. Astuti, I. D. (2017). Transforming Education: Ki Hadjar Dewantara’s Contribution to Indonesian Nationalism. *Indonesian Journal of Applied Linguistics*, 7(2), 442-455.doi:10.17509/ijal.v7i2.8308
3. Narita, I. D. G. A. D. P. (2015). The Concept of ‘Freedom in Education’ According to Ki Hadjar Dewantara. *International Journal of Social Science and Humanity*, 5(5), 434-437. doi:10.7763/ijssh.2015.v5.502
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