Research Article
M. El-ghoul
J.ı. Okutoyı
Sabahattin Balcı
A.a. Öçal
Ömer L. Gebizlioğlu
E.m. Elkholy
M. Kemal Sağel
Chandra Prem
Arif Sabuncuoğlu
Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics