Browsing by Author Purba, Wira Ryanda
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| Issue Date | Title | Author(s) | ???itemlist.dc.contributor.advisor??? |
|---|---|---|---|
| 2014 | Pengaruh Kualitas Pelayanan Dan Promosi Terhadap Tingkat Penjualan Bibit Ubi Sambung Pada UD.Senafarm Medan | Purba, Wira Ryanda | Effendi, Ihsan; Agustono |