(3bUI GdYde (B/s - (3L(B. (3L(B. (3cQhGKQ(B:s 1899-; (3Nhdj(B: (3jefi WQjas; (3YHO GdaJGM(B: (3HOhjs (Egypt : Maktabah al-Usrah, 1999)
Keywords: Science -- History