The Projective Special Unitary Group PSU2 and their Codes. - Reza Kahkeshani; Hossein Shabani; Ali Zaghiyan; Ahmad Majlesi (Electron. Notes Discret. Math., 2014)

On the first Zagreb Index of Polygraphs. - Hossein Shabani; Reza Kahkeshani (Electron. Notes Discret. Math., 2014)

The Tilings of a (2 × n)-Board and Some New Combinatorial Identities. - Reza Kahkeshani (J. Integer Seq., 2017)

A Generalized Binet Formula That Counts the Tilings of a (2 x n)-board. - Reza Kahkeshani; Meysam Arab (Integers, 2018)