NUGROHO, Wachid. Kesadaran Siswa terhadap Nilai-Nilai Karakter dalam Pembelajaran Virtual Trigonometri. Jurnal Pendidikan Karakter, [S. l.], v. 12, n. 2, p. 221–236, 2021. DOI: 10.21831/jpka.v12i2.39066. Disponível em: https://journal.uny.ac.id/index.php/jpka/article/view/39066. Acesso em: 10 may. 2025.