HAYATI, Rachmah; SURYA, Edy. The Implementation of Group Method to Improve Students. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 34, n. 2, p. 54–61, 2017. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7609. Acesso em: 23 sep. 2025.