Coba jelasin Lihat juga dari Al-Karkhi dalam bahasa melayu dong

Sains Islam pada Zaman Pertengahan

J. Christianidis. Classics in the History of Greek Mathematics, p. 260

Carl R. Seaquist, Padmanabhan Seshaiyer, and Dianne Crowley. "Calculation across Cultures and History" (Texas College Mathematics Journal 1:1, 2005; pp 15–31) [PDF]

Matthew Hubbard and Tom Roby. "The History of the Binomial Coefficients in the Middle East"(from "Pascal's Triangle from Top to Bottom")

Fuat Sezgin. Geschichte des arabischen Schrifttums (1974, Leiden: E. J. Brill)

James J. Tattersall. Elementary Number Theory in Nine Chapters, p. 32

Mariusz Wodzicki. "Early History of Algebra: a Sketch" (Math 160, Fall 2005) [PDF]

"al-Karaji" — Encyclopædia Britannica Online (4 April 2006)

Extrait du Fakhri, traité d'Algèbre par Abou Bekr Mohammed Ben Alhaçan Alkarkhi, presented with commentary by F. Woepcke, year 1853.