Marbun, B. 2018. PENGARUH KENAKALAN SISWA TERHADAP NILAI PRESTASI BELAJAR PAK DI SD NEGERI NO.175755 LUMBAN BIRU SIPAHUTAR. JURNAL HANDAYANI PGSD FIP UNIMED. 8, 1 (Aug. 2018), 31–39. DOI:https://doi.org/10.24114/jh.v8i1.10565.