BIBLIOGRAPHY CONTRIBUTOR Sajjad Nikfahm-Khubravan First name Sajjad Last name Nikfahm-Khubravan Bibliography entries by this contributor Nikfahm-Khubravan, Sajjad, and F. Jamil Ragep. 2019. “The Mercury Models Of Ibn Al-Šāṭir And Copernicus”. Arabic Sciences And Philosophy 29: 1-59. Nikfahm-Khubravan, Sajjad, and Pouyan Shahidi. 2010. “A Persian Treatise On Astrolabe Ascribed To ‘Abd Al-Raḥmān Al-Sūfī”. Tarikh-E Elm, Iranian Journal For The History Of Science 7 (1): 55-102.