DR. BUSHRA SALAHUDDIN; MUHAMMAD MUJTABA HAIDER; DR. SHABNAM RAZAQ KHAN. Impact of Paid and Unpaid Tuition on Students’ Academic Performance. `, [S. l.], v. 5, n. 01, p. 1259–1268, 2026. Disponível em: https://www.assajournal.com/index.php/36/article/view/1421. Acesso em: 10 jun. 2026.