Browsing by Author Siahaan, Johanes Afrianto
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| Issue Date | Title | Author(s) |
|---|---|---|
| 2018 | Hubungan antara Motivasi Berprestasi dengan Adversity Quotient pada Siswa Kelas XI SMKN 3 Medan | Hardjo, Suryani; Nafeesa; Siahaan, Johanes Afrianto |