Al-Jallad, Ahmad. “ʾAṣ-Ṣādu Llatī Ka-S-sīn—Evidence for an Affricated Ṣād in Sībawayh?”. Folia Orientalia 51 (September 24, 2026): 51–57. Accessed September 26, 2026. https://wydawnictwo.pan.pl/index.php/fo/article/view/6855.