Indonesia’s Border Security and Political Nationalism Means in Dealing with Nationalism Problem at Indonesia-Malaysia Border Area (2009-2014) - Sudagung, Adityo Darmawan (Institute of Research and Community Services of Universitas Tanjungpura and Center of Southeast Asian Ethnicities, Cultures and Societies (Joint collaboration between Universitas Tanjungpura and National Taitung University), 2021)