MUSA, Siti Musa'adah; AKHMAD, Akhmad Arif Musadad; SUDIYANTO, Sudiyanto. Asta Brata Digital Book Development for Improving Students’ Leadership Attitude. Journal of World Englishes and Educational Practices , [S. l.], v. 5, n. 1, p. 22–29, 2023. DOI: 10.32996/jweep.2023.5.1.2. Disponível em: https://al-kindipublishers.org/index.php/jweep/article/view/4658. Acesso em: 21 oct. 2025.