Siswanto, Benny, Yati Kurniati, and Harmanta Harmanta. “LALU LINTAS MODAL DI NEGARA-NEGARA ASEAN-5 : SISTEM MONITORING DAN DETERMINAN LALU LINTAS MODAL”. Buletin Ekonomi Moneter dan Perbankan 3, no. 1 (October 11, 2003): 20-97. Accessed July 17, 2024. https://bmeb-bi.org/index.php/BEMP/article/view/288.