PMRI-Based Teaching Materials Using the Context of Karate Sports in Elementary School Students during the COVID-19 Pandemic. JOURNAL OF TEACHING AND LEARNING IN ELEMENTARY EDUCATION (JTLEE), [S. l.], v. 3, n. 2, p. 200–207, 2020. DOI: 10.33578/. Disponível em: https://jtlee.ejournal.unri.ac.id/index.php/JTLEE/article/view/144. Acesso em: 7 dec. 2025.