Bhetamex, Deo Rany, and Daya Negri Wijaya. “The Political Diplomacy of the Kingdom of Sikka With the Portuguese in the 16th and 17th Centuries”. Fajar Historia: Jurnal Ilmu Sejarah Dan Pendidikan, vol. 10, no. 2, Aug. 2026, pp. 774-87, doi:10.29408/fhs.v10i2.35445.