Nguyen Tuan Dat Phan Anh Tu Nguyen Tuan Dat Pham Quang Dung Traveling Salesman Problem with Multiple Drones. 46-53 2018 SoICT https://doi.org/10.1145/3287921.3287932 conf/soict/2018 db/conf/soict/soict2018.html#TuDD18 Pham Quang Dung Phan Anh Tu