| Cadangan Emas Freeport |
Feb. 23, 2016, 10:19 a.m. |
| Proses Pengolahan Emas dengan Perendaman |
Feb. 23, 2016, 10:17 a.m. |
| Pengolahan Emas dengan Cyanida |
Feb. 23, 2016, 10:16 a.m. |
| Keunggulan Thiosulfat dibanding Cyanida |
Feb. 23, 2016, 10:08 a.m. |
| Cara Pengolahan Emas |
Feb. 23, 2016, 10:07 a.m. |
| Teknik Pengolahan Emas |
Feb. 23, 2016, 10:04 a.m. |
| Gold Extraction (indonesia language) |
Feb. 23, 2016, 10:01 a.m. |
| Batuan Penyusun Kerakbumi |
Feb. 23, 2016, 9:56 a.m. |
| Batuan Penyusun Bumi |
Feb. 23, 2016, 9:51 a.m. |
| Aqua Regia (2) |
Feb. 23, 2016, 9:49 a.m. |
| Aqua Regia |
Feb. 23, 2016, 9:45 a.m. |
| Emas (gold) |
Feb. 23, 2016, 9:42 a.m. |
