“Melepasi Belenggu Kontrak Kompeni: Refleksi Hubungan Buton-Belanda dalam Warkah Voc kepada Sultan Azimuddin: (Breaking the Shackles of Kompeni Contracts: A Reflection of Butonese-Dutch Relations in a Letter from Vereenigde Oostindische Compagnie to Sultan Azimuddin)” (2018) Malay Literature, 31(2), pp. 227–262. doi:10.37052/ml.31(2)no2.