A Greedy Randomized Adaptive Search for Solving Chance-Constrained U-Shaped Assembly Line Balancing Problem. - Mohammad Zakaraia; Hegazy Zaher; Naglaa Ragaa (Int. J. Appl. Metaheuristic Comput., 2022)

A Modified Emperor Penguin Algorithm for Solving Stagnation in Multi-Model Functions. - Ahmed El Sayed Serag; Hegazy Zaher; Naglaa Ragaa; Heba Sayed (Informatica (Slovenia), 2023)

Improving the Emperor Penguin Optimizer Algorithm through Adapted Weighted Sum Mutation Strategy with Information Vector. - Ahmed El Sayed Serag; Hegazy Zaher; Naglaa Ragaa; Heba Sayed (Informatica (Slovenia), 2024)