Harkantiningsih, Naniek, and Sonny C. Wibisono. “KOTA RENTANG, SUMATRA UTARA: JALUR PERDAGANGAN PANTAI TIMUR SUMATRA”. AMERTA 30, no. 1 (January 23, 2012): 45–55. Accessed November 13, 2024. https://ejournal.brin.go.id/amerta/article/view/3444.