Santi, Ardhya Wira, et al. “The Development of Empathy Character Scale for Class XI High School Students”. Nusantara of Research : Jurnal Hasil-Hasil Penelitian Universitas Nusantara PGRI Kediri, vol. 9, no. 1, May 2022, pp. 39-50, https://doi.org/10.29407/nor.v9i1.16087.