Assessing the Extent of PPST Implementation and Teacher Challenges in Elementary Schools. International Journal of Scientific Research and Management (IJSRM), [S. l.], v. 13, n. 05, p. 4113–4125, 2025. DOI: 10.18535/ijsrm/v13i05.el06. Disponível em: https://www.ijsrm.net/index.php/ijsrm/article/view/6279. Acesso em: 17 jul. 2025.