KUMPULAN MAKALAH KONGGRES NASIONAL DAN SEMINAR ILMIAH 1983 HIMAPI, 12-13 DESEMBER 1983 DI MEDAN.
| Main Author: | HIMPUNAN MANGEMENT PERKEBUNAN INDONESIA (HIMAPI) |
|---|---|
| Format: | TEXT |
| Published: |
HIMAPI
1983
|