RAHAYU, A.; HARYANTO, S. Pengembangan instrumen pengukuran nilai kedisiplinan siswa. Wiyata Dharma: Jurnal Penelitian dan Evaluasi Pendidikan, [S. l.], v. 5, n. 2, p. 12–18, 2017. DOI: 10.30738/wd.v5i2.3373. Disponível em: https://jurnal.ustjogja.ac.id/index.php/wd/article/view/3373. Acesso em: 25 jun. 2022.