Items where Author is "Nainggolan, Charles Yulianto"
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Nainggolan, Charles Yulianto (2017) PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) TERHADAP HASIL BELAJAR SANITASI, HYGIENE DAN KESELAMATAN KERJA (K3) SISWA KELAS X SMK NEGERI 3 TEBING TINGGI. Undergraduate thesis, UNIMED.