Faraj, A.M. and Hama Arif, Z.S. 2022. Badi az-Zaman Abu l-Izz Ismail ibn ar-Razaz al-Jazari(548-630AH/ 1153-1233AD) His Engineering innovations in Islamic civilization: His Engineering innovations in Islamic civilization. Halabja University Journal. 7, 3 (Sep. 2022), 64–79. DOI:https://doi.org/10.32410/huj-10422.