Zeb-un-Nisa, Ghulam Mustafa, Zahid Yaseen, Muhammad Arslan, and Muhammad Imran, “THEORETICAL APPROACHES TO STUDY THE PUBLIC POLICY: AN ANALYSIS OF THE CYCLIC/STAGES HEURISTIC MODEL”, J Arch.Egyptol, vol. 18, no. 10, pp. 1307-1321, Sep. 2021.