Babayo Muhammed Abdullahi and G.U. Garba, “9A9 Composite Loube I(re) I Magic Squares Infinite Abelian Group as a Miscellany Case of the 3A3 Loube I(re) I Magic Squares Infinite Abelian Group”, GJSFR, vol. 15, no. F2, pp. 71–79, Jan. 2015.