Darmawan, Edward, Uke Siahaan, and Sylviana Maya. “Business Pivoting Strategy in the Mining Industry (Case Study: PT Membara Bersama Abadi, East Kalimantan, Indonesia)”. Jurnal Pendidikan Indonesia 6, no. 5 (June 5, 2025): 2454–2470. Accessed June 18, 2025. https://japendi.publikasiindonesia.id/index.php/japendi/article/view/7805.