Hussain Ali Mutar, Ibtihal Razaq Niama ALRubeei, Omar Hashim Yahya, Naseer Ali Hussien, Haider TH. Salim AlRikabi, and Abdul Hadi M. Alaidi, “Auto-PPA: An Adaptive Deep RL Agent for VLSI Physical Design Optimization”, Journal of VLSI Circuits and Systems, vol. 8, no. 1, pp. 9–19, Feb. 2026.