Helmy, H.E. Berlian, and Nadila Putri Shenindita. “The Dynamics of Azerbaijan–Saudi Arabia Bilateral: Hajj Pilgrimage and Umrah to Boost Economic Diplomacy”. Journal of State Public Policy, vol. 1, no. 3, June 2026, pp. 216-40, https://doi.org/10.65101/jspp.v1i3.398.