WASILAH, Siti. Upaya Meningkatkan Critical Thinking Skills Peserta Didik Kelas XI-IPA 3 SMAN 2 Sampang Melalui Model Problem Based Learning (PBL) Pada Materi Barisan. Wacana Didaktika, [S. l.], v. 7, n. 01, p. 108–115, 2019. DOI: 10.31102/wacanadidaktika.7.01.108-115. Disponível em: http://journal.uim.ac.id/index.php/wacanadidaktika/article/view/614. Acesso em: 25 jan. 2026.