IMPROVING STUDENTS’ CONCEPTUAL UNDERSTANDING AND CRITICAL THINKING SKILLS THROUGH WORDWALL EDUCATIONAL GAMES IN ELEMENTARY SCHOOL. SPEKTRA: Jurnal Kajian Pendidikan Sains, [S. l.], v. 12, n. 1, p. 1–10, 2026. DOI: 10.32699/frqas664. Disponível em: https://ojs.unsiq.ac.id/index.php/spektra/article/view/10792. Acesso em: 28 may. 2026.