Saragih, Berlianta, et al. “Strategi Ekspansi Portugis Dan Spanyol Di Indonesia: Analisis Kebijakan Kolonial Awal Eropa”. Journal of Education Religion Humanities and Multidiciplinary, vol. 3, no. 2, Dec. 2025, pp. 1319-24, doi:10.57235/jerumi.v3i2.7670.