“Benefisiasi Timah Sisa Hasil Pengolahan PT Babel Utama Korpora Menggunakan Humprey Spiral: Tin Beneficiation from PT Babel Utama Korpora Tailing by Using Humprey Spiral” (2025) MINERAL, 10(2), pp. 77–83. doi:10.33019/2ckx7x22.