ISTIQOMAH, Khazanah; SIPAHUTAR, Herbert. Effect of PBL model with student worksheets on biology learning: activities, thinking skills, and outcomes. Biosfer: Jurnal Pendidikan Biologi, [S. l.], v. 18, n. 2, p. 261–275, 2025. DOI: 10.21009/biosferjpb.55299. Disponível em: https://journal.unj.ac.id/unj/index.php/biosfer/article/view/55299. Acesso em: 19 may. 2026.