The Effect of Using the Pedagogy Contract Strategy on the Achievement of Fifth-Grade Elementary School Students in Science and Their Positive Thinking. Journal of the College of Basic Education, [S. l.], v. 1, n. عدد خاص, p. 207–221, 2024. DOI: 10.35950/cbej.v1iعدد خاص.11860. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/11860.. Acesso em: 26 apr. 2025.