Suprapto, Ready Kresna Nanda, and Andri Dwi Setiawan. “Multi-Criteria Decision Analysis for Fire Patrol Helicopters Selection Using AHP-Entropy-TOPSIS”. Langit Biru: Jurnal Ilmiah Aviasi 18, no. 2 (June 14, 2025): 94 - 102. Accessed June 26, 2025. https://journal.ppicurug.ac.id/index.php/jurnal-ilmiah-aviasi/article/view/1353.