Classroom Environment and Academic Achievement: A Comparative Study of Secondary Schools in Urban Sindh, Pakistan. ACADEMIA International Journal for Social Sciences, [S. l.], v. 4, n. 3, p. 53–61, 2025. DOI: 10.63056/ACAD.004.03.0331. Disponível em: https://academia.edu.pk/index.php/Journals/article/view/331. Acesso em: 30 jul. 2025.