A training program for chemistry teachers based on the knowledge economy and its impact on the productive thinking of their students. Journal Of Educational and Psychological Researches, [S. l.], v. 16, n. 60, p. 437–459, 2019. Disponível em: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/84. Acesso em: 7 may. 2025.