IMPLIKASI PROJECT BASED LEARNING (PjBL) TERHADAP PENINGKATAN KEMANDIRIAN DAN MOTIVASI BELAJAR SISWA DI KELAS XI SMK NEGERI 4 MEDAN. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 3, p. 3617–3624, 2026. DOI: 10.54314/jssr.v9i3.6480. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/6480.. Acesso em: 17 jul. 2026.