Sijabat, J.P. 2024. Hizbul Wathan Uniform Policy as a Media for Instilling Discipline at Muhammadiyah Elementary School Kleco Kotagede Yogyakarta. Journal of Indonesian Progressive Education. 1, 2 (Nov. 2024), 83–89. DOI:https://doi.org/10.63617/jipe.v1i2.11.