Identifying mathematical problems in classroom action research proposals: a qualitative case study of pre-service primary teachers. Indonesian Journal of Primary Education, [S. l.], v. 10, n. 1, p. 147–166, 2026. Disponível em: https://ejournal-tasikmalaya.upi.edu/ijpe/article/view/298. Acesso em: 29 sep. 2026.