Hemin Rashid Khorsheed and Arsn Musa Rashid (2024) “Agreements Between the Ayyubid state and the Zaidi sect In Yemen (569 – 626 AH/1173 – 1229AD): Analytical historical study”, QALAAI ZANIST JOURNAL, 9(1), pp. 964–985. doi: 10.25212/lfu.qzj.9.1.33.