AFDILLAH AFDILLAH; NIRWANA ANAS; SYARIFAH WIDYA ULFA. Pengaruh Problem Based Learning Berbasis Outdoor Study Terhadap Kemampuan Berpikir Kritis Siswa SMA Pada Materi Sistem Pernapasan. CENDEKIA: Jurnal Ilmu Sosial, Bahasa dan Pendidikan, [S. l.], v. 3, n. 4, p. 92–107, 2023. DOI: 10.55606/cendikia.v3i4.1974. Disponível em: https://prin.or.id/index.php/cendikia/article/view/1974. Acesso em: 28 feb. 2026.