Wardhani, Ratri, wiyanto Wiyanto, and Hartono Hartono. 2021. “The Evaluation of Character Education Strengthening Program Based on Kemataraman Culture at Elementary School in Kulon Progo Regency”. Journal of Primary Education 10 (3), 271-83. https://doi.org/10.15294/jpe.v10i3.49169.