Wawolangi, Jeanne Asteria, Martinus Sony Erstiawan, and Thyophoida W.S. Panjaitan. “Penilaian Implementasi Good Corporate Governance Pada Bumn Indonesia Sektor Perkebunan”. BIP’s JURNAL BISNIS PERSPEKTIF 6, no. 1 (January 31, 2014): Hal. 49 – 64. Accessed July 26, 2025. https://jurnal.ukdc.ac.id/index.php/BIP/article/view/73.