Browsing by Author Tobing, Elwin PL
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| Issue Date | Title | Author(s) |
|---|---|---|
| 1991 | Analisis pengendalian mutu karet jenis mutu sir 10 dan 20 asal PTP X, Lampung | Rambe, Abdulrrauf; Wiseno, Satrio; Tobing, Elwin PL |