Research, design and fabrication of firefighting quadcopters: Graduation thesis of Mechatronics Engineering technology/ Vu Duc Binh, Doan Thanh Nam, Tran Le Nhat Huy; Ha Le Nhu Ngoc Thanh (Supervisor)--Ho Chi Minh city: Ho Chi Minh city University of technology and education, 2024 Call no.: CĐT-46 629.133 V986-B613