Bahri, Samsul, and Afrida Handayani. “Medan International Convention Center in North Sumatera Province (Expressionism Architecture)”. International Journal of Architecture and Urbanism 1, no. 1 (November 15, 2017): 1-10. Accessed May 5, 2024. https://talenta.usu.ac.id/ijau/article/view/255.