SR, N. A. I., Dewi, A. C., Adela, A., Magfirah, N., Sogen, J. Y., & Rifki, A. (2023). The figure of Ki Hajar Dewantara and Its Relevance in the Challenges of 21st Century Education. International Journal of Global Sustainable Research, 1(3), 302–310. https://doi.org/10.59890/ijgsr.v1i3.819