Hamadan, Maisaa, Ragdaa Nassor, and Aasha Kadouna. “Epistemological Knowledge When Karl Popper”. Tishreen University Journal- Arts and Humanities Sciences Series 39, no. 1 (March 29, 2017). Accessed May 8, 2024. https://journal.tishreen.edu.sy/index.php/humlitr/article/view/2635.