Harith Kareem Chyad Al-Suwaidawi, Omer Asaad Zubair Al-Mohammadi, Majid Talal Hasan Al-Tamimi, “Historical References to the Calendar Words and Their Connotations in the Southern Arab Kingdoms in the Light of Written Sources”, Annals of RSCB, pp. 5914–5932, Jul. 2021.