Perdana, Yusuf, Sumargono Sumargono, Rinaldo Adi Pratama, and Suroto Suroto. “Handel In Lampongsche Districten: International Trade in Lampung District 1867 – 1914”. Historia Madania: Jurnal Ilmu Sejarah 8, no. 2 (December 30, 2024): 156–170. Accessed January 30, 2026. https://journal.uinsgd.ac.id/index.php/historia/article/view/38768.