Yousef Milad Bashir Al-Sa’idi. The Efforts of Sheikh Abdul Hadi Abu Isba’—may Allah have mercy on him—in Serving Islamic Creed through His Book *Al-Jawhar al-Farid fi ‘Ilm al-Tawhid* (The Unique Gem in the Science of Divine Oneness) . jshd [Internet]. 2026 Sep. 23 [cited 2026 Sep. 25];2(3):988-1000. Available from: https://jshd.com.ly/index.php/jshd/article/view/332