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Browsing by Author Rajagukguk, Kalvin S.
Showing results 1 to 1 of 1
| Issue Date | Title | Author(s) |
|---|---|---|
| 1997 | Pengaruh umur kertas dan penggunaan bahan kolektor terhadap penghilangan tinta kertas koran bekas | Mangunwijaya, Djumali; Siagian, Rena M.; Rajagukguk, Kalvin S. |