BIBLIOGRAPHY CONTRIBUTOR Jaʿfar Chawushi First name Jaʿfar Last name Chawushi Bibliography entries by this contributor Chawushi, Jaʿfar. 2000. “Ḥakīm ʿUmar Khayyām And The Arithmetic Triangle”. Farhang 12 (29-32): 17-31. Chawushi, Jaʿfar. 1975. “Hakim Ibn-I Haytham Wa Inkishāfāt-I ʿIlmi-Yi U”. Amuzish Wa Parwarish 8: 434-447, 497-504.