Browsing by Author Firmansyah, Muhammad Rifki
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| Issue Date | Title | Author(s) |
|---|---|---|
| 2025 | Pemanfaatan Batu Bata berbahan Fly Ash Bottom Ash untuk Menaikkan pH Air Asam Tambang | Rushayati, Siti Badriyah; Mansur, Irdika; Firmansyah, Muhammad Rifki |