Riky Adhiharto, and Fauzan Rahmat Arta. “CONCEPT DESIGN OF FIREFIGHTING SYSTEM DRY CHEMICAL POWDER BALL THROWING TYPE ON DRONES PT. CI”. Barometer 9, no. 1 (February 1, 2024): 1–13. Accessed May 15, 2024. https://journal.unsika.ac.id/index.php/barometer/article/view/8790.