Developing of Teaching Modules with PBL-STEM Model of Photosynthesis Material to Increase Critical Thinking Skills of Grade IV Elementary School Students . JOURNAL OF TEACHING AND LEARNING IN ELEMENTARY EDUCATION (JTLEE), [S. l.], v. 7, n. 1, p. 134–147, 2024. DOI: 10.33578/. Disponível em: https://jtlee.ejournal.unri.ac.id/index.php/JTLEE/article/view/80. Acesso em: 14 sep. 2025.