Study on Achievement-Related Beliefs of Students In Secondary School, Including Beliefs About the Nature of Abilities: Effects of Principal Instructional Leadership on Student Achievement. Journal of Advances and Scholarly Researches in Allied Education, [S. l.], v. 3, n. 5, p. 0–0, 2012. Disponível em: https://ignited.in/index.php/jasrae/article/view/4202.. Acesso em: 15 jun. 2025.