Setiawan, B., Karim, R. M., Verne, B., & Siregar , R. H. (2026). Strengthening Maritime Surveillance: The Utilization of Unmanned Aircraft from KRI Sigma Class to Prevent Illegal Fishing Activities in the Sulawesi Sea. International Journal of Integrative Sciences, 5(4), 565–572. https://doi.org/10.55927/ijis.v5i4.23