SETIAWAN, Yoga; SANTOSO, Wiliam. The Role of Planning Management in Implementing Digital Transformation to Improve Operational Efficiency in Nickel Manufacturing Companies. EKOMA : Jurnal Ekonomi, Manajemen, Akuntansi, [S. l.], v. 5, n. 6, p. 9913–9924, 2026. DOI: 10.56799/ekoma.v5i6.18480. Disponível em: https://al-haramjournal.co.id/EKOMA/article/view/18480. Acesso em: 6 sep. 2026.