Wardhani, Ratri, wiyanto Wiyanto, and Hartono Hartono. “The Evaluation of Character Education Strengthening Program Based on Kemataraman Culture at Elementary School in Kulon Progo Regency”. Journal of Primary Education 10, no. 3 (September 30, 2021): 271-283. Accessed May 20, 2024. https://journal.unnes.ac.id/sju/jpe/article/view/49169.