dos Santos Costa, Manoel, Ana Célia de Jesus Martins, Érica Marlúcia Leite Pagani, and Norma Suely Gomes Allevato. “PROBLEM SOLVING: STRATEGY FOR TEACHING, LEARNING AND ASSESSING PROPORTIONALITY CONTENT IN YOUTH AND ADULT EDUCATION”. Revista Paranaense de Educação Matemática 12, no. 27 (May 5, 2023): 76–99. Accessed December 18, 2025. https://periodicos.unespar.edu.br/rpem/article/view/7238.