Horman, Geril, Joubert Dame, and Feine Tulung. “PENGARUH KEDISIPLINAN DAN KONSENTRASI BELAJAR TERHADAP HASIL BELAJAR SISWA DI SMK NEGERI 5 MANADO”. Literacy: Jurnal Pendidikan Ekonomi 4, no. 2 (December 28, 2023): 247–253. Accessed October 15, 2025. https://ejurnal.unima.ac.id/index.php/jpe-unima/article/view/7518.