Browsing by Author Siahaan, Ricky Hartono
Showing results 1 to 2 of 2
| Issue Date | Title | Author(s) | ???itemlist.dc.contributor.advisor??? |
|---|---|---|---|
| Sep-2023 | Analisis Perbandingan Pendapatan Antara Petani Jeruk Dan Kopi Di Desa Tanjung Beringin, Kecamatan Sumbul, Kabupaten Dairi | Siahaan, Ricky Hartono | Lubis, Mitra Musika |
| 2019 | Laporan Praktek Kerja Lapangan di PT. Perkebunan Nusantara IV Unit Kebun Sei Kopas | Simatupang, Seprindo; Siahaan, Ricky Hartono; Sihombing, Junus A | Abdina, Muhammad Fadly |