Abu Suwaid, Ismail Musleh Saeed. “The Fixed (Al-Thabit) and the Variable (Al-Mutaghayir) in Safeguarding the Political System in Islam”. Ibn Khaldoun Journal for Studies and Researches, vol. 6, no. 5, May 2026, https://doi.org/10.56989/benkj.v6i5.1871.