(3eSGMI ddJacjQ (B:s (3CMGLj hCdZGR gfOSjI, hefWbjI, YbdjI hHGdMGSH GdBdj (B/s - (3cJcJ, eMehOs (Yarmouk : Maktabah Dar al-Furqan, 1993)
Keywords: Mathematical recreations