Journal of the Egyptian Mathematical Society
Journal of the Egyptian Mathematical Society > 2013 > 21 > 3 > 385-394
Journal of the Egyptian Mathematical Society > 2014 > 22 > 1 > 123-133
Journal of the Egyptian Mathematical Society > 2014 > 22 > 3 > 529-537
Journal of the Egyptian Mathematical Society > 2015 > 23 > 2 > 435-439
Journal of the Egyptian Mathematical Society > 2016 > 24 > 4 > 650-655
Journal of the Egyptian Mathematical Society > 2017 > 25 > 2 > 220-229
Journal of the Egyptian Mathematical Society > 2017 > 25 > 4 > 375-381