DIKI NUGRAHA; SRI MARDIANA. Pengaruh Investasi Pembaharuan Armada dan Efisiensi Operasional terhadap Kinerja Keuangan pada PT Blue Bird Tbk Periode 2015–2024. PARADIGM : Journal Of Multidisciplinary Research and Innovation, [S. l.], v. 4, n. 02, p. 282–297, 2026. DOI: 10.62668/paradigm.v4i02.2842. Disponível em: https://azramedia-indonesia.azramediaindonesia.com/index.php/paradigm/article/view/2842. Acesso em: 5 nov. 2026.