SEPRIZA, Nurul; L, Mariani Natalina; WAHYUNI, Resma. THE EFFECT OF THE PROBLEM-BASED LEARNING MODEL INTEGRATED WITH ETHNOSCIENCE ON THE CRITICAL THINKING SKILLS OF 10TH GRADE STUDENTS AT SMAN 1 SENTAJO RAYA. Algebra : Jurnal Pendidikan, Sosial dan Sains, [S. l.], v. 5, n. 4, p. 1247–1255, 2025. DOI: 10.58432/dj292n90. Disponível em: https://algebra.yana.or.id/index.php/ejournal/article/view/24. Acesso em: 15 jun. 2026.