Purwastuti, L. A., Kuntoro, S. A., & Siswoyo, D. (2017). National education ideology as the orientation of the school culture development policy at SMA N 1 and SMA N 3 Yogyakarta. Jurnal Pembangunan Pendidikan: Fondasi Dan Aplikasi, 5(1), 32–41. https://doi.org/10.21831/jppfa.v5i1.14755