Periodic Property and Instability of a Rotating Pendulum System. - Ji-Huan He; Tarek Saleh Amer; Shimaa Elnaggar; Abdallah A. Galal (Axioms, 2021)

Inspection of a Time-Delayed Excited Damping Duffing Oscillator. - Khalid Alluhydan; Galal Mahrous Moatimid; Tarek Saleh Amer; Abdallah A. Galal (Axioms, 2024)