Browsing by Author Wijanto, Wijanto
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| Issue Date | Title | Author(s) |
|---|---|---|
| 1997-07 | PENGUKURAN KAPASITAS LAPANG TRAKTOR RODA EMPAT DENGAN BAJAK PIRINGAN | Gaol, Purnomo Oloan Maruli Tua Lumban; Wijanto, Wijanto |