PENGARUH KOMUNIKASI INTERPERSONAL DAN MOTIVASI BELAJAR TERHADAP PRESTASI BELAJAR SISWA PADA MATA PELAJARAN KORESPONDENSI SISWA KELAS X SMK NEGERI 1 KABANJAHE. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 4, p. 6173–6177, 2026. DOI: 10.54314/jssr.v9i4.6984. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/6984.. Acesso em: 18 aug. 2026.