The Fractional Laguerre Equation: Series Solutions and Fractional Laguerre Functions. - Rasha Shat; Safa Al-Refai; Islam Alhamayda; Alaa Sarhan; Mohammed Abdalla Al-Refai (Frontiers Appl. Math. Stat., 2019)

Optimization of One-Step Block Method for Solving Second-Order Fuzzy Initial Value Problems. - Safa Al-Refai; Muhammed I. Syam; Mohammed Abdalla Al-Refai (Complex., 2021)