Kalin, I. and Ayduz, S. (eds), The Oxford Encyclopedia of Philosophy, Science, and Technology in Islam, Volume 1, Oxford University Press, 2014, p. 100; Jabbar Beg, M.A., The Origin of Islamic Science, https://archive.org/details/the_origins_of_islamic_sciencep. 50.
Bosworth, Edmund (2010). "Abū ʿAbdallāh al-Khwārazmī". In David Thomas (ed.). Christian-Muslim Relations 600 - 1500 (Online ed.). doi:10.1163/1877-8054_cmri_COM_22576.
Bosworth, Edmund (2010). "Mafātīḥ al-ʿulūm". In David Thomas (ed.). Christian-Muslim Relations 600 - 1500 (Online ed.). doi:10.1163/1877-8054_cmri_COM_22577.
Thomann, J. (1 January 2015). "On the Natural Sciences: An Arabic Critical Edition and English Translation of EPISTLES 15-21 Edited and translated by C. BAFFIONI". Journal of Islamic Studies. 26 (1): 67–69. doi:10.1093/jis/etu080.
Abdi, W. H (1990). Interaction between Indian and central Asian science and technology in medieval times. Indian National Science Academy. p. 2. OCLC555654275.