The Sago Trade Dispute and Judicial Process in the Riau Lingga Kingdom: A Philological Analysis of Manuscript Letters from 1899-1900. JPHR [Internet]. 26 April 2025 [dikutip 27 Agustus 2026];2(2):110-28. Tersedia pada: https://journals.regalia-institute.com/index.php/JPHR/article/view/98