KUSMANTO, Hari. Nilai Pendidikan Karakter Inti dalam Buku 1000 Kata Motivasi Ampuh Karya Great!Team. Prosiding University Research Colloquium, [S. l.], p. 444–450, 2019. Disponível em: https://repository.urecol.org/index.php/proceeding/article/view/469. Acesso em: 18 may. 2024.