Vol. 55 No. 6 (2023)

Articles

• Instability of Gravitating Object Under Expansion-free Condition in Rastall Theory

  Muhammad Tahir, Ghulam Abbas, Muhammad Rizwan Shahzad , Muhammad Amjad

  222-240

  • pdf

• Intersections of Pell, Pell-Lucas Numbers and Sums of Two Jacobsthal Numbers

  Ahmed Gaber

  241-252

  • pdf