Items where Author is "Br Manullang, Lilis Rosalina"
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Br Manullang, Lilis Rosalina (2021) ANALISIS KESULITAN BELAJAR SISWA PADAMATERI SISTEM REPRODUKSI MANUSIA DI KELAS XI MIPA SMAN 14 MEDAN T.P 2020/2021 PADA MASA COVID – 19. Undergraduate thesis, UNIMED.