MASRUCHAN MASRUCHAN; RIFA NURMILAH. The Effectiveness of E-Book Learning Media on Business Communication Material for Students of SMK PGRI 1 Jombang. Jurnal Sosial Humaniora dan Pendidikan, [S. l.], v. 5, n. 1, p. 286–296, 2025. DOI: 10.55606/inovasi.v5i1.5429. Disponível em: https://journalcenter.org/index.php/inovasi/article/view/5429. Acesso em: 27 jan. 2026.