Difficulties in the application of modern trends in physics in middle schools of the province of Baghdad, from the perspective of teachers of physics. Journal Of Educational and Psychological Researches, [S. l.], v. 14, n. 52, p. 471–490, 2017. Disponível em: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/289. Acesso em: 5 may. 2025.