Setiawan, Y. and Santoso, W. (2026) “The Role of Planning Management in Implementing Digital Transformation to Improve Operational Efficiency in Nickel Manufacturing Companies”, EKOMA : Jurnal Ekonomi, Manajemen, Akuntansi, 5(6), pp. 9913–9924. doi: 10.56799/ekoma.v5i6.18480.