MAJID, Gema; PUTRANTA, Himawan. Diagnosing Students’ Concept Understanding Using TGT Cooperative Model on Light Wave Material. International Journal of Education and Cognitive Sciences, [S. l.], v. 5, n. 4, p. 20–29, 2022. Disponível em: https://journalecs.com/index.php/ecs/article/view/156.. Acesso em: 18 jul. 2025.