SUDRAJAT, Aja. Upaya meningkatkan motivasi belajar siswa pada pembelajaran daring melalui metode problem based learning. Jurnal Penelitian Pendidikan, [S. l.], v. 22, n. 1, p. 12–27, 2026. DOI: 10.17509/jpp.v22i1.45694. Disponível em: https://ejournal-dppm.upi.edu/jpp/article/view/615. Acesso em: 1 aug. 2026.