SUDHARMONO, J. MANAJEMEN BERBASIS SINERGI : STUDI KASUS HOLDING BUMN PUPUK DAN SEMEN DI INDONESIA. Jurnal Manajemen, [S. l.], v. 5, n. 2, 2018. Disponível em: https://jurnal.kwikkiangie.ac.id/index.php/JM/article/view/352. Acesso em: 5 jun. 2026.