Sinabutar, Romulo. “SOCIO ECONOMIC CORRELATES OF BATAM TRADE LIBERALIZATION ZONE, BATAM ISLAND, INDONESIA”. Jurnal Ekonomis 1, no. 2 (September 1, 2007): 97-116. Accessed April 19, 2024. https://jurnal.unai.edu/index.php/jeko/article/view/519.