Sofian, Harry Octavianus, Hartatik Hartatik, Sunarningsih Sunarningsih, Nugroho Nur Susanto, Gauri Vidya Dhaneswara, Restu Budi Sulistiyo, and Agus Karyanantio. “First Experimental Iron Process Based on The Montalat Iron Sites in Central Kalimantan – Indonesia”. KALPATARU 32, no. 2 (December 30, 2023): 137–148. Accessed November 21, 2024. https://ejournal.brin.go.id/kalpataru/article/view/1078.