“Study of Spatial Structure of the Old Port Area of the Kingdom of Aceh in the West Coast of Aceh and its Sustainability System Case Study: Settlement Around Kuala Bubon, West Aceh District”, International Journal of Architecture and Urbanism, vol. 9, no. 2, pp. 306–314, Aug. 2025, doi: 10.32734/ijau.v9i2.22369.