The effect of Hawkins’ strategy on positive thinking among middle school students in science. Journal of the College of Basic Education, [S. l.], v. 28, n. 115, p. 470–490, 2022. DOI: 10.35950/cbej.v28i115.5826. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/5826.. Acesso em: 2 jul. 2025.