Items where Author is "Siregar, Olivia Febrina"
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Thesis
Siregar, Olivia Febrina (2020) PENERAPAN MODEL PROBLEM BASED LEARNING UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS DAN HASIL BELAJAR EKONOMI SISWA KELAS XI IPS SMAN 9 MEDAN T.P 2019/2020. Undergraduate thesis, Universitas Negeri Medan.
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