Kusuma, R.D.S. and Nasution, F.F.Y. 2025. Dynamics of Collaboration Among Work Units at Adi Soemarmo Airport in Serving Umrah Pilgrims. Advances In Social Humanities Research. 3, 3 (Apr. 2025), 247–261. DOI:https://doi.org/10.46799/adv.v3i3.406.