Sagala, Kaleb, Roida Nababan, Sovia Simamora, & Christo Sumurung Tua Sagala.
" Sister City Surabaya - Liverpool." <em>INTERDISCIPLINARY JOURNAL ON LAW, SOCIAL SCIENCES AND HUMANITIES</em> [Online], 5.2 (2024): 207-225. Web. 25 Jan. 2025<div style=" display: none;">	
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