Muhammad Hasan Naeem, Nadeem Anwar, Asma Khizar, and Ahmad Hassan. 2026. “The Relationship Between Sustainable Classroom Environment and Academic Achievement: The Mediating Role of Student Engagement at Secondary Level”. ACADEMIA International Journal for Social Sciences 5 (3): 2393-2405. https://doi.org/10.63056/academia.5.3.2026.2461.