sustainability Article Korean Developers in Vietnam: The Mechanism of Transnational Large-Scale Property Development and Its Planning Sanghoon Jung 1 and Jae Seung Lee 2,* 1 Department of Urban Planning, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do 460-701, Korea;...