Meletopoulos, Meletis. “Kostas Papaioannou Between Marxism and Liberty”. Ηθική. Περιοδικό φιλοσοφίας, no. 16-17 (February 28, 2023): 146–163. Accessed June 1, 2026. https://ejournals.epublishing.ekt.gr/index.php/ethiki/article/view/33683.