DOS SANTOS COSTA, Manoel; MARTINS, Ana Célia de Jesus; PAGANI, Érica Marlúcia Leite; ALLEVATO, Norma Suely Gomes. PROBLEM SOLVING: STRATEGY FOR TEACHING, LEARNING AND ASSESSING PROPORTIONALITY CONTENT IN YOUTH AND ADULT EDUCATION. Revista Paranaense de Educação Matemática, [S. l.], v. 12, n. 27, p. 76–99, 2023. DOI: 10.33871/22385800.2023.12.27.76-99. Disponível em: https://periodicos.unespar.edu.br/rpem/article/view/7238. Acesso em: 5 dec. 2025.