Nilai gigih dalam biografi K.H. Sjamun (1883-1949). Historia: Jurnal Pendidik dan Peneliti Sejarah, [S. l.], v. 1, n. 1, p. 27–32, 2017. Disponível em: https://ejournal-social.upi.edu/historia/article/view/617. Acesso em: 11 oct. 2026.