Hussain Ali Mutar; Ibtihal Razaq Niama ALRubeei; Omar Hashim Yahya; Naseer Ali Hussien; Haider TH. Salim AlRikabi; Abdul Hadi M. Alaidi. Auto-PPA: An Adaptive Deep RL Agent for VLSI Physical Design Optimization. Journal of VLSI Circuits and Systems 2026, 8, 9-19.