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, vol. 2, no. 3, pp. 988–1000, Sep. 2026, doi: 10.65421/jshd.v2i3.332.