Fadil, Khaidir, 		Arif, Mahmud, 		Alfaien, Noor, 		Amran, Amran, 		Abroto, Abroto, AND 		Rahma, Ayunda.
" Free education policy and hidden cost inequality: A literature review on indirect economic burdens on students’ families" <em>Proceeding of International Conference on Islamic Education (ICIED)</em> [Online], Volume 10 Number 1 (31 December 2025)