The Effect of a Proposed Strategy According to the Model (Heisig & Verbeck) on the Achievement of Mathematics and Engineering Thinking among the Fifth Science / Biological Students. Journal Of Educational and Psychological Researches, [S. l.], v. 21, n. 80, p. 245–266, 2024. Disponível em: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/1702. Acesso em: 17 may. 2025.